Modelling the sensitivity of zimbabwean commercial banks’ non performing loans to shocks in macro-economic variables and micro-economic variables (2009-2014)
This paper used complementary panel data models that are fixed effect regression model and panel vector auto regression model. The study was motivated by the hypothesis that both macroeconomic and microeconomic variables have an effect on the loan quality. The first part of the research was to determine the specific macro and microeconomic variables that give rise to the non-performing loans (NPLs) using fixed effect regression model. The empirical findings of this study provide evidence that nonperforming loans depends on macro and micro economic variables, the trend analysis of Zimbabwean commercial banks’ shows an upward movement of over the period of study. The study found out that Gross domestic product (GDP), Inflation, loan deposit ratio and bank size had a statistical significant effect on the level of non-performing loans (NPLs). The second part was mainly to model the dynamic relationship of all the variables that were found to affect non-performing loans (NPLs); this was done through impulse response analysis based on PANEL VAR model. One standard shock to credit growth will be greatly felt in the sixth year, whereas of size of the bank will have a great negative impulse in the seventh year.
Non Performing Loan: Impact of Internal and External Factor (Evidence in Indo...inventionjournals
ABSTRACT : Most banks in Indonesia as emerging market still rely on credit as the main income to finance their operations. But not all loans disbursed by banks are free of risk, some of them have a considerable risk and can threaten the health of the bank.NPL levels at Commercial Bank Indonesia over the past five years 1/1/2009-12/31/2013) shows a stable condition. But inversely proportional happen to the 26 Regional Development Banks (BPD), which NPL,since 2011 has continuously increased. It was reaching 3:49 % in June 2014 and was predicted to continue to rise. This study aims to study the influence of internal and external banks factors on the level of non-performing loans (NPL) in the Regional Development Bank (BPD) in Indonesia. This study is a quantitative research using panel data regression analysis with the study period from 2009 to 2013. The object of this study was 26 banks. Factors examined its effect on the NPL is a measure of a bank (SIZE), the capital adequacy ratio (CAR), the level of bank efficiency (ROA), the growth of gross domestic product (GDP), and the rate of inflation. Estimation model used is panel data models Random Effects Model (REM). The results of this study concluded that the level of efficiency of the bank (ROA) has a positive significant effect on NPL. The result of this study clearly warrant future studies.
This document discusses modeling the relationship between state-level commercial bank failure rates and regional economic indicators using regression analysis. It provides background on the recent rise in bank failures and reviews literature examining the impact of economic conditions on individual bank performance and survival. The study aims to test whether odds of bank failure in a state are dependent on seven regional economic indicators like GDP, unemployment, housing prices, and employment levels. If validated, the regression model could provide insight into bank-region interdependence and inform regulatory policy.
Macroeconomic and industry determinants of interest rate spread empirical evi...Alexander Decker
This document summarizes a study that examines the bank-specific, industry-specific, and macroeconomic factors that influence interest rate spreads in Ghanaian commercial banks from 1990 to 2010. The study uses data from 33 commercial banks over this 21-year period. Key findings include that interest rate spreads are significantly influenced by bank ownership, management efficiency, GDP per capita, and government securities. Government borrowing also influences spreads but has a negative effect. The paper aims to identify important determinants of interest rate spreads for central banks, commercial banks, and economic managers in Ghana.
Determinants of Bank Failure in Nigeria: An Empirical InvestigationAJHSSR Journal
This study investigates the determinants of bank failure in Nigeria from 1970-2013. It uses
Autoregressive Distributed Lag (ARDL) approach in the analysis and further examines the extent to which these
determinants lead to bank failure in Nigeria. The study found that there is significant long run relationship between
bank failure and exchange rate, interest rate, capital adequacy ratio, non-performing loans and liquidity ratio, but an
insignificant relationship with inflation in Nigeria. On the direction of causality, the study found a bidirectional
causal relationship between bank failure and, capital adequacy ratio and non-performing loans (NPL), while a
unidirectional causal relationship was found between bank failure and exchange rate but shows no causal
relationship between bank failure and, inflation and interest rate. The study therefore conclude that bank failure is
chiefly determined by capital adequacy ratio (CAR), exchange rate, interest rate and liquidity ratio in Nigeria, and
that Non-Performing Loans (NPL) leads to the degradation of the financial sector thereby making the financial
institutions vulnerable to failure. It is recommended that monetary authorities in Nigeria must ensure that all banks
operating in the country comply with the CAR guideline to guard against sudden bank failure, and that financial
institutions should make sure that all necessary checks prior to the advancement of credit such as adequate
collateral and viable financial projection be dully carried out and satisfied in order to forestall the incidence of bank
failure in Nigeria.
This summary provides the key points from the document in 3 sentences:
The document discusses a study that investigates the determinants of bank lending behavior in Ghana. Using an econometric model, the study finds that bank size, capital structure, and competition have a positive relationship with bank lending, while macroeconomic indicators like interest rates and exchange rates negatively impact lending. The study contributes to understanding how bank-specific, macroeconomic, and industry factors influence bank lending decisions in an emerging market context like Ghana.
This document summarizes a theoretical model examining the effects of small regional banks on local economic growth. The model shows that small regional banks are more effective than large interregional banks at promoting economic growth in underdeveloped regions. This is because small regional banks have lower screening and monitoring costs of local borrowers compared to large banks. The model is then empirically tested using bank and regional economic data from Germany, finding that small regional banks play an important role in enhancing economic development in less developed German regions.
The document discusses the relationship between interest rates and gross domestic product (GDP) in Pakistan. It provides background on interest rates and GDP, reviews previous literature that finds both positive and negative relationships between the two variables, outlines the methodology used including regression analysis on annual interest rate and GDP data from 1960 to 2005, and presents the results of the regression analysis showing a statistically significant relationship between interest rates and GDP in Pakistan.
Determinants of commercial banks lending evidence from ethiopian commercial b...Alexander Decker
This document summarizes a study that examined the determinants of commercial bank lending in Ethiopia between 2005-2011. The study tested whether bank size, credit risk, GDP, investment, deposit, interest rate, liquidity ratio, and cash reserve requirements influenced bank lending. It found that bank size, credit risk, GDP, and liquidity ratio had a significant relationship with lending, but deposit, investment, interest rate, and cash reserves did not. The study suggests banks focus on managing credit risk and liquidity to support lending.
Non Performing Loan: Impact of Internal and External Factor (Evidence in Indo...inventionjournals
ABSTRACT : Most banks in Indonesia as emerging market still rely on credit as the main income to finance their operations. But not all loans disbursed by banks are free of risk, some of them have a considerable risk and can threaten the health of the bank.NPL levels at Commercial Bank Indonesia over the past five years 1/1/2009-12/31/2013) shows a stable condition. But inversely proportional happen to the 26 Regional Development Banks (BPD), which NPL,since 2011 has continuously increased. It was reaching 3:49 % in June 2014 and was predicted to continue to rise. This study aims to study the influence of internal and external banks factors on the level of non-performing loans (NPL) in the Regional Development Bank (BPD) in Indonesia. This study is a quantitative research using panel data regression analysis with the study period from 2009 to 2013. The object of this study was 26 banks. Factors examined its effect on the NPL is a measure of a bank (SIZE), the capital adequacy ratio (CAR), the level of bank efficiency (ROA), the growth of gross domestic product (GDP), and the rate of inflation. Estimation model used is panel data models Random Effects Model (REM). The results of this study concluded that the level of efficiency of the bank (ROA) has a positive significant effect on NPL. The result of this study clearly warrant future studies.
This document discusses modeling the relationship between state-level commercial bank failure rates and regional economic indicators using regression analysis. It provides background on the recent rise in bank failures and reviews literature examining the impact of economic conditions on individual bank performance and survival. The study aims to test whether odds of bank failure in a state are dependent on seven regional economic indicators like GDP, unemployment, housing prices, and employment levels. If validated, the regression model could provide insight into bank-region interdependence and inform regulatory policy.
Macroeconomic and industry determinants of interest rate spread empirical evi...Alexander Decker
This document summarizes a study that examines the bank-specific, industry-specific, and macroeconomic factors that influence interest rate spreads in Ghanaian commercial banks from 1990 to 2010. The study uses data from 33 commercial banks over this 21-year period. Key findings include that interest rate spreads are significantly influenced by bank ownership, management efficiency, GDP per capita, and government securities. Government borrowing also influences spreads but has a negative effect. The paper aims to identify important determinants of interest rate spreads for central banks, commercial banks, and economic managers in Ghana.
Determinants of Bank Failure in Nigeria: An Empirical InvestigationAJHSSR Journal
This study investigates the determinants of bank failure in Nigeria from 1970-2013. It uses
Autoregressive Distributed Lag (ARDL) approach in the analysis and further examines the extent to which these
determinants lead to bank failure in Nigeria. The study found that there is significant long run relationship between
bank failure and exchange rate, interest rate, capital adequacy ratio, non-performing loans and liquidity ratio, but an
insignificant relationship with inflation in Nigeria. On the direction of causality, the study found a bidirectional
causal relationship between bank failure and, capital adequacy ratio and non-performing loans (NPL), while a
unidirectional causal relationship was found between bank failure and exchange rate but shows no causal
relationship between bank failure and, inflation and interest rate. The study therefore conclude that bank failure is
chiefly determined by capital adequacy ratio (CAR), exchange rate, interest rate and liquidity ratio in Nigeria, and
that Non-Performing Loans (NPL) leads to the degradation of the financial sector thereby making the financial
institutions vulnerable to failure. It is recommended that monetary authorities in Nigeria must ensure that all banks
operating in the country comply with the CAR guideline to guard against sudden bank failure, and that financial
institutions should make sure that all necessary checks prior to the advancement of credit such as adequate
collateral and viable financial projection be dully carried out and satisfied in order to forestall the incidence of bank
failure in Nigeria.
This summary provides the key points from the document in 3 sentences:
The document discusses a study that investigates the determinants of bank lending behavior in Ghana. Using an econometric model, the study finds that bank size, capital structure, and competition have a positive relationship with bank lending, while macroeconomic indicators like interest rates and exchange rates negatively impact lending. The study contributes to understanding how bank-specific, macroeconomic, and industry factors influence bank lending decisions in an emerging market context like Ghana.
This document summarizes a theoretical model examining the effects of small regional banks on local economic growth. The model shows that small regional banks are more effective than large interregional banks at promoting economic growth in underdeveloped regions. This is because small regional banks have lower screening and monitoring costs of local borrowers compared to large banks. The model is then empirically tested using bank and regional economic data from Germany, finding that small regional banks play an important role in enhancing economic development in less developed German regions.
The document discusses the relationship between interest rates and gross domestic product (GDP) in Pakistan. It provides background on interest rates and GDP, reviews previous literature that finds both positive and negative relationships between the two variables, outlines the methodology used including regression analysis on annual interest rate and GDP data from 1960 to 2005, and presents the results of the regression analysis showing a statistically significant relationship between interest rates and GDP in Pakistan.
Determinants of commercial banks lending evidence from ethiopian commercial b...Alexander Decker
This document summarizes a study that examined the determinants of commercial bank lending in Ethiopia between 2005-2011. The study tested whether bank size, credit risk, GDP, investment, deposit, interest rate, liquidity ratio, and cash reserve requirements influenced bank lending. It found that bank size, credit risk, GDP, and liquidity ratio had a significant relationship with lending, but deposit, investment, interest rate, and cash reserves did not. The study suggests banks focus on managing credit risk and liquidity to support lending.
This document summarizes problems facing community banks according to analytics from Invictus Consulting Group. It states that traditional financial reporting does not capture the full impact of declining loan yields and plateauing deposit costs. Specifically:
- Loan yields have declined as pre-recession, higher-yielding loans are replaced by lower-yielding loans originated in the current interest rate environment. Deposit costs have declined along with loan yields, hiding the deterioration in profitability.
- However, deposit costs have now plateaued while loan portfolios will continue turning over to even lower yields. This decoupling will lead to rapid compression of net interest margins and earnings in the coming years that traditional models do not capture.
- Increased asset growth
This research proposal is on the effect of the lending of bank capital and the link between the actual financial condition and the real activities that has been going around. This has succeeded in gaining a lot of attention in past few times because of the financial crisis the world has seen. The techniques of panel-regression can be used to study the lending techniques of bank’s large holdings and companies and the effects small or big of capital on lending (Pelosky, 1991). Then the effect of the capital ratios will be concluded using a variant model, and again the researcher will look for the results that are in marked contrast to estimate obtained by using simple practical relations between the aggregate commercial-bank assets and leverage growth, this has recently been very powerful which was kind of influential for policy maker’s as a result point of views regarding how the loan growth is affected by the bank capital. The models which have been estimated will be used to understand the recent developments in bank lending
The long run impact of bank credit on economic growth in ethiopia evidence f...Alexander Decker
This document analyzes the long-run impact of bank credit on economic growth in Ethiopia from 1971/72 to 2010/11 using a multivariate cointegration approach. The results support a positive relationship between bank credit and economic growth, with bank credit affecting growth through both higher investment and more efficient resource allocation. Deposit liabilities were also found to positively impact long-run growth. Control variables like human capital, domestic capital, and trade openness positively impacted growth, while inflation and government spending negatively impacted growth. The findings imply policymakers should focus on developing Ethiopia's banking sector to promote domestic investment and long-run economic growth.
Mosaic Financial Conditions Index is an effective asset allocation tool, based on the credit markets as a leading indicator for both economy and risk assets.
This document is a dissertation submitted by Martin Reilly in partial fulfillment of an MFin degree in international finance. The dissertation examines the impact of quantitative easing announcements by the US Federal Reserve on equity prices in the US. Specifically, it analyzes the stock price movements of 100 equities and three major indices in response to 7 announcements regarding the Federal Reserve's QE3 program between 2008-2014. The dissertation reviews previous literature on the topics of policy-rate guidance, interest rate effects, and large-scale asset purchase programs. It then outlines the methodology used, presents results showing the statistical significance of stock price movements on announcement days, and concludes that QE announcements had a measurable impact on equity prices.
Our October 2010 Newsletter is now available. The Newsletter Article, “Can The Fed Boost The Economy?” discusses the four things that Fed Chair Bernanke said that the Fed could do to boost the economy. The article explains how each of the 4 options he proposed would affect your company’s future. Our second article, “In Case You Didn’t Notice, The Recession Ended In June 2009?” addresses the real meaning of the recessionary slide ending before the stimulus had any impact and what it will take for the economy to have a strong recovery. Our final article, “Is The Real Employment Picture Still Deteriorating?” talks about the negative meaning of last Friday’s Labor Department unemployment report and its long term implications.
This paper introduces an imperfectly competitive banking sector into a DSGE model to study the role of credit supply factors in business cycle fluctuations in the euro area. Banks issue loans to households and firms, obtain funding via deposits, and accumulate capital from retained earnings. Margins on loans depend on bank capital ratios and interest rate stickiness. Estimating the model with euro area data from 1999-2008, the paper finds that:
1) Shocks originating in the banking sector explain most of the output fall in 2008, while macroeconomic shocks played a smaller role.
2) An unexpected reduction in bank capital can significantly impact the real economy, especially investment.
3) Financial frictions amplify monetary policy effects,
This bachelor thesis examines the key determinants of shadow banking systems in the Euro area, United Kingdom, and United States. The author builds a measure of shadow banking from a European perspective and analyzes the relationship between the shadow banking measure and several macroeconomic and financial variables. Regression analysis is conducted on two models - a base model including GDP, institutional investor assets, term spread, bank net interest margin, and liquidity, and an extended model which adds a systemic stress indicator, banking concentration index, and inflation. The analysis finds significant geographical differences in the relationships between shadow banking and the explanatory variables within the Euro area. Specifically, for some countries shadow banking grows as GDP, term spread, and liquidity increase, while for other countries
This document presents an estimated arbitrage-free model that jointly models nominal and real US Treasury yields. It estimates separate arbitrage-free Nelson-Siegel models for nominal and real yields, finding a three-factor model fits nominal yields well and a two-factor model fits real yields. It then estimates a four-factor joint model that fits both yield curves. The joint model is used to decompose breakeven inflation rates into inflation expectations and inflation risk premium components.
Interest Rate Risk in Developing CountriesAakash Kumar
This document summarizes research on interest rate risk in developing countries. It analyzes data from 1990-2010 on variables like interest rates, unemployment, inflation, savings, budget deficits, and money supply in countries like Korea, Indonesia, and Vietnam. Two hypotheses are tested using OLS regression. H1 finds unemployment significantly impacts interest rates, while debt and inflation do not. H2 finds budget deficits and money supply significantly impact savings, but deposits do not. The models explain 33% and 98% of variations respectively. Unemployment and budget deficits are inversely related to the dependent variables, while money supply is directly related to savings.
This document summarizes a research paper that develops a dynamic stochastic general equilibrium (DSGE) model to explain how monetary policy affects risk in financial markets and the macroeconomy. The key feature of the model is that asset and goods markets are segmented because it is costly for households to transfer funds between the markets. The model generates endogenous movements in risk as the fraction of households that rebalance their portfolios varies over time in response to real and monetary shocks. Simulation results indicate the model can account for evidence that monetary policy easing reduces equity premiums and helps explain the response of stock prices to monetary shocks.
This document discusses issues with using econometric models for macro stress testing of credit portfolios. Specifically:
- Econometric models have limitations like insufficient data, unstable relationships between credit risk and macroeconomic variables, and inability to capture non-linear behavior in stressed conditions.
- An analysis of Hong Kong data from 1997-2007 illustrates these limitations, as default rates did not consistently correlate with macroeconomic factors during stressed periods.
- The document proposes a simple methodology for bank supervisors to estimate history-based stressed PDs for individual banks, using the highest observed default rate for the banking sector as a whole as a benchmark. This allows supervisors to validate banks' self-reported stressed PD estimates.
This document summarizes a paper that develops a framework to study the effects of foreign competition on Mexico's banking industry dynamics and welfare. It applies the framework to analyze Mexico's banking industry in the 1990s, which underwent major changes as foreign restrictions were lifted. The model considers strategic interaction between domestic and foreign banks, and allows calibration to Mexican data to examine the welfare impacts of policies promoting global competition. It finds modest household welfare gains and substantial business gains from increased foreign participation in Mexico's banking sector.
48 variable macroeconomics on stock return 25 ags 2019Aminullah Assagaf
This study examines the effect of macroeconomic variables (inflation, interest rates, money supply, exchange rates) on stock returns of companies listed on the Indonesia Stock Exchange from November 2016 to June 2018. Using multiple linear regression analysis on monthly data, the study found that macroeconomic variables have a significant effect on stock returns. Specifically, changes in inflation rates, interest rates, money supply, and the Rupiah exchange rate influence the overall stock price index and company stock returns in Indonesia. The results indicate macroeconomic conditions impact stock market performance.
Non-monetary effects Employee performance during Financial Crises in the Kurd...AI Publications
This document summarizes a research paper on non-monetary factors affecting employee performance during financial crises in the Kurdistan region of Iraq. The researcher developed five hypotheses to test how factors like job security, training, compensation, job enrichment, and leadership style influence employee performance during crises. Simple regression analysis found that job security had the strongest positive association with performance. The document provides context on the 2014-2018 financial crisis in Iraq and reviews literature on defining and analyzing different types of financial crises, including banking crises.
This thesis aims to test the Burnside and Dollar (2000) hypothesis that aid is more effective in countries with good economic policies than poor policies. The author constructs a policy index using current account balance, inflation, and trade openness and tests the impact of an interaction between aid and policy on growth in developing countries from 1980-2007. The main findings are that aid has a negative impact on growth and there is no significant relationship between the aid-policy interaction term and growth. The author argues these differences from Burnside and Dollar's findings may be due to natural resource exploitation, policy index specification, and differences in sample size and income groups between the studies.
This document is a paper analyzing quantitative easing (QE) policies, specifically examining their use in the United States and Japan. It begins with an overview of QE, defining it as a monetary policy where central banks increase money supply by purchasing assets like treasury bonds. The paper then reviews research on Japan's use of QE in the 1990s, finding it increased money supply and lowered interest rates without significantly raising inflation. Turning to the US, the paper notes the Federal Reserve has enacted two rounds of QE but debates whether it has been effective. It concludes that more study is needed but US inflation may rise, so QE policies should be reined in to avoid hyperinflation.
Manuel Buchholz. Caps on banks’ leverage and domestic credit after the crisisEesti Pank
Caps on banks' leverage prior to the 2008 financial crisis may have stabilized lending to the private sector after the crisis. The study uses a differences-in-differences approach to compare real credit growth in countries that implemented leverage caps before 2008 to those that did not, looking at the period before and after the crisis. Preliminary analysis suggests countries with pre-crisis leverage caps experienced smaller declines in lending after 2008. The empirical model controls for other country-specific factors to isolate the effect of the leverage caps. Results could provide evidence on whether macroprudential policies help make financial downturns less severe.
This document summarizes a research paper that analyzed the determinants of credit risk in the Indonesian banking industry. Specifically, it examined how bank-specific variables like bank size, profitability, capital adequacy, and ownership structure influence the level of non-performing loans (NPL), which is used as a measure of credit risk. The document reviews several previous studies that also analyzed the relationship between credit risk and bank-specific factors in other countries. It then outlines the methodology that will be used in the research, including the data collection and analysis methods.
This document summarizes a research paper that assesses the factors contributing to non-performing loans in Kenyan banks. It discusses how non-performing loans negatively impact bank profitability, liquidity, and stability. It outlines the research objectives, which are to identify the key factors leading to bad loans in Kenya, establish the effects of non-performing loans on banks, analyze trends in bad loans before and after the introduction of credit reference bureaus, and determine efforts to reduce risks from non-performing assets. The significance of studying non-performing loans for policymakers, banks, and future research is also mentioned.
This document summarizes problems facing community banks according to analytics from Invictus Consulting Group. It states that traditional financial reporting does not capture the full impact of declining loan yields and plateauing deposit costs. Specifically:
- Loan yields have declined as pre-recession, higher-yielding loans are replaced by lower-yielding loans originated in the current interest rate environment. Deposit costs have declined along with loan yields, hiding the deterioration in profitability.
- However, deposit costs have now plateaued while loan portfolios will continue turning over to even lower yields. This decoupling will lead to rapid compression of net interest margins and earnings in the coming years that traditional models do not capture.
- Increased asset growth
This research proposal is on the effect of the lending of bank capital and the link between the actual financial condition and the real activities that has been going around. This has succeeded in gaining a lot of attention in past few times because of the financial crisis the world has seen. The techniques of panel-regression can be used to study the lending techniques of bank’s large holdings and companies and the effects small or big of capital on lending (Pelosky, 1991). Then the effect of the capital ratios will be concluded using a variant model, and again the researcher will look for the results that are in marked contrast to estimate obtained by using simple practical relations between the aggregate commercial-bank assets and leverage growth, this has recently been very powerful which was kind of influential for policy maker’s as a result point of views regarding how the loan growth is affected by the bank capital. The models which have been estimated will be used to understand the recent developments in bank lending
The long run impact of bank credit on economic growth in ethiopia evidence f...Alexander Decker
This document analyzes the long-run impact of bank credit on economic growth in Ethiopia from 1971/72 to 2010/11 using a multivariate cointegration approach. The results support a positive relationship between bank credit and economic growth, with bank credit affecting growth through both higher investment and more efficient resource allocation. Deposit liabilities were also found to positively impact long-run growth. Control variables like human capital, domestic capital, and trade openness positively impacted growth, while inflation and government spending negatively impacted growth. The findings imply policymakers should focus on developing Ethiopia's banking sector to promote domestic investment and long-run economic growth.
Mosaic Financial Conditions Index is an effective asset allocation tool, based on the credit markets as a leading indicator for both economy and risk assets.
This document is a dissertation submitted by Martin Reilly in partial fulfillment of an MFin degree in international finance. The dissertation examines the impact of quantitative easing announcements by the US Federal Reserve on equity prices in the US. Specifically, it analyzes the stock price movements of 100 equities and three major indices in response to 7 announcements regarding the Federal Reserve's QE3 program between 2008-2014. The dissertation reviews previous literature on the topics of policy-rate guidance, interest rate effects, and large-scale asset purchase programs. It then outlines the methodology used, presents results showing the statistical significance of stock price movements on announcement days, and concludes that QE announcements had a measurable impact on equity prices.
Our October 2010 Newsletter is now available. The Newsletter Article, “Can The Fed Boost The Economy?” discusses the four things that Fed Chair Bernanke said that the Fed could do to boost the economy. The article explains how each of the 4 options he proposed would affect your company’s future. Our second article, “In Case You Didn’t Notice, The Recession Ended In June 2009?” addresses the real meaning of the recessionary slide ending before the stimulus had any impact and what it will take for the economy to have a strong recovery. Our final article, “Is The Real Employment Picture Still Deteriorating?” talks about the negative meaning of last Friday’s Labor Department unemployment report and its long term implications.
This paper introduces an imperfectly competitive banking sector into a DSGE model to study the role of credit supply factors in business cycle fluctuations in the euro area. Banks issue loans to households and firms, obtain funding via deposits, and accumulate capital from retained earnings. Margins on loans depend on bank capital ratios and interest rate stickiness. Estimating the model with euro area data from 1999-2008, the paper finds that:
1) Shocks originating in the banking sector explain most of the output fall in 2008, while macroeconomic shocks played a smaller role.
2) An unexpected reduction in bank capital can significantly impact the real economy, especially investment.
3) Financial frictions amplify monetary policy effects,
This bachelor thesis examines the key determinants of shadow banking systems in the Euro area, United Kingdom, and United States. The author builds a measure of shadow banking from a European perspective and analyzes the relationship between the shadow banking measure and several macroeconomic and financial variables. Regression analysis is conducted on two models - a base model including GDP, institutional investor assets, term spread, bank net interest margin, and liquidity, and an extended model which adds a systemic stress indicator, banking concentration index, and inflation. The analysis finds significant geographical differences in the relationships between shadow banking and the explanatory variables within the Euro area. Specifically, for some countries shadow banking grows as GDP, term spread, and liquidity increase, while for other countries
This document presents an estimated arbitrage-free model that jointly models nominal and real US Treasury yields. It estimates separate arbitrage-free Nelson-Siegel models for nominal and real yields, finding a three-factor model fits nominal yields well and a two-factor model fits real yields. It then estimates a four-factor joint model that fits both yield curves. The joint model is used to decompose breakeven inflation rates into inflation expectations and inflation risk premium components.
Interest Rate Risk in Developing CountriesAakash Kumar
This document summarizes research on interest rate risk in developing countries. It analyzes data from 1990-2010 on variables like interest rates, unemployment, inflation, savings, budget deficits, and money supply in countries like Korea, Indonesia, and Vietnam. Two hypotheses are tested using OLS regression. H1 finds unemployment significantly impacts interest rates, while debt and inflation do not. H2 finds budget deficits and money supply significantly impact savings, but deposits do not. The models explain 33% and 98% of variations respectively. Unemployment and budget deficits are inversely related to the dependent variables, while money supply is directly related to savings.
This document summarizes a research paper that develops a dynamic stochastic general equilibrium (DSGE) model to explain how monetary policy affects risk in financial markets and the macroeconomy. The key feature of the model is that asset and goods markets are segmented because it is costly for households to transfer funds between the markets. The model generates endogenous movements in risk as the fraction of households that rebalance their portfolios varies over time in response to real and monetary shocks. Simulation results indicate the model can account for evidence that monetary policy easing reduces equity premiums and helps explain the response of stock prices to monetary shocks.
This document discusses issues with using econometric models for macro stress testing of credit portfolios. Specifically:
- Econometric models have limitations like insufficient data, unstable relationships between credit risk and macroeconomic variables, and inability to capture non-linear behavior in stressed conditions.
- An analysis of Hong Kong data from 1997-2007 illustrates these limitations, as default rates did not consistently correlate with macroeconomic factors during stressed periods.
- The document proposes a simple methodology for bank supervisors to estimate history-based stressed PDs for individual banks, using the highest observed default rate for the banking sector as a whole as a benchmark. This allows supervisors to validate banks' self-reported stressed PD estimates.
This document summarizes a paper that develops a framework to study the effects of foreign competition on Mexico's banking industry dynamics and welfare. It applies the framework to analyze Mexico's banking industry in the 1990s, which underwent major changes as foreign restrictions were lifted. The model considers strategic interaction between domestic and foreign banks, and allows calibration to Mexican data to examine the welfare impacts of policies promoting global competition. It finds modest household welfare gains and substantial business gains from increased foreign participation in Mexico's banking sector.
48 variable macroeconomics on stock return 25 ags 2019Aminullah Assagaf
This study examines the effect of macroeconomic variables (inflation, interest rates, money supply, exchange rates) on stock returns of companies listed on the Indonesia Stock Exchange from November 2016 to June 2018. Using multiple linear regression analysis on monthly data, the study found that macroeconomic variables have a significant effect on stock returns. Specifically, changes in inflation rates, interest rates, money supply, and the Rupiah exchange rate influence the overall stock price index and company stock returns in Indonesia. The results indicate macroeconomic conditions impact stock market performance.
Non-monetary effects Employee performance during Financial Crises in the Kurd...AI Publications
This document summarizes a research paper on non-monetary factors affecting employee performance during financial crises in the Kurdistan region of Iraq. The researcher developed five hypotheses to test how factors like job security, training, compensation, job enrichment, and leadership style influence employee performance during crises. Simple regression analysis found that job security had the strongest positive association with performance. The document provides context on the 2014-2018 financial crisis in Iraq and reviews literature on defining and analyzing different types of financial crises, including banking crises.
This thesis aims to test the Burnside and Dollar (2000) hypothesis that aid is more effective in countries with good economic policies than poor policies. The author constructs a policy index using current account balance, inflation, and trade openness and tests the impact of an interaction between aid and policy on growth in developing countries from 1980-2007. The main findings are that aid has a negative impact on growth and there is no significant relationship between the aid-policy interaction term and growth. The author argues these differences from Burnside and Dollar's findings may be due to natural resource exploitation, policy index specification, and differences in sample size and income groups between the studies.
This document is a paper analyzing quantitative easing (QE) policies, specifically examining their use in the United States and Japan. It begins with an overview of QE, defining it as a monetary policy where central banks increase money supply by purchasing assets like treasury bonds. The paper then reviews research on Japan's use of QE in the 1990s, finding it increased money supply and lowered interest rates without significantly raising inflation. Turning to the US, the paper notes the Federal Reserve has enacted two rounds of QE but debates whether it has been effective. It concludes that more study is needed but US inflation may rise, so QE policies should be reined in to avoid hyperinflation.
Manuel Buchholz. Caps on banks’ leverage and domestic credit after the crisisEesti Pank
Caps on banks' leverage prior to the 2008 financial crisis may have stabilized lending to the private sector after the crisis. The study uses a differences-in-differences approach to compare real credit growth in countries that implemented leverage caps before 2008 to those that did not, looking at the period before and after the crisis. Preliminary analysis suggests countries with pre-crisis leverage caps experienced smaller declines in lending after 2008. The empirical model controls for other country-specific factors to isolate the effect of the leverage caps. Results could provide evidence on whether macroprudential policies help make financial downturns less severe.
Manuel Buchholz. Caps on banks’ leverage and domestic credit after the crisis
Similar to Modelling the sensitivity of zimbabwean commercial banks’ non performing loans to shocks in macro-economic variables and micro-economic variables (2009-2014)
This document summarizes a research paper that analyzed the determinants of credit risk in the Indonesian banking industry. Specifically, it examined how bank-specific variables like bank size, profitability, capital adequacy, and ownership structure influence the level of non-performing loans (NPL), which is used as a measure of credit risk. The document reviews several previous studies that also analyzed the relationship between credit risk and bank-specific factors in other countries. It then outlines the methodology that will be used in the research, including the data collection and analysis methods.
This document summarizes a research paper that assesses the factors contributing to non-performing loans in Kenyan banks. It discusses how non-performing loans negatively impact bank profitability, liquidity, and stability. It outlines the research objectives, which are to identify the key factors leading to bad loans in Kenya, establish the effects of non-performing loans on banks, analyze trends in bad loans before and after the introduction of credit reference bureaus, and determine efforts to reduce risks from non-performing assets. The significance of studying non-performing loans for policymakers, banks, and future research is also mentioned.
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Modelling the sensitivity of zimbabwean commercial banks’ non performing loans to shocks in macro-economic variables and micro-economic variables (2009-2014)
1. World Journal of Operational Research
2017; 1(1): 27-34
http://www.sciencepublishinggroup.com/j/wjor
doi: 10.11648/j.wjor.20170101.14
Modelling the Sensitivity of Zimbabwean Commercial
Banks’ Non-performing Loans to Shocks in
Macro-economic Variables and Micro-economic Variables:
(2009-2014)
Jacob Muvingi1
, Kudzai Sauka1
, David Chisunga2
, Crispen Chirume2
1
Department of Financial Engineering, Harare Institute of Technology, Harare, Zimbabwe
2
Department of Forensic Accounting and Auditing, Harare Institute of Technology, Harare, Zimbabwe
Email address:
muvingij@gmail.com (J. Muvingi), kudzysauka@gmail.com (K. Sauka), dchisunga@gmail.com (D. Chisunga),
krisspinc@gmail.com (C. Chirume)
To cite this article:
Jacob Muvingi, Kudzai Sauka, David Chisunga, Crispen Chirume. Modelling the Sensitivity of Zimbabwean Commercial Banks’ Non-
performing Loans to Shocks in Macro-economic Variables and Micro-economic Variables: (2009-2014). World Journal of Operational
Research. Vol. 1, No. 1, 2017, pp. 27-34. doi: 10.11648/j.wjor.20170101.14
Received: April 27, 2017; Accepted: June 2, 2017; Published: July 21, 2017
Abstract: This paper used complementary panel data models that are fixed effect regression model and panel vector auto
regression model. The study was motivated by the hypothesis that both macroeconomic and microeconomic variables have an
effect on the loan quality. The first part of the research was to determine the specific macro and microeconomic variables that
give rise to the non-performing loans (NPLs) using fixed effect regression model. The empirical findings of this study provide
evidence that nonperforming loans depends on macro and micro economic variables, the trend analysis of Zimbabwean
commercial banks’ shows an upward movement of over the period of study. The study found out that Gross domestic product
(GDP), Inflation, loan deposit ratio and bank size had a statistical significant effect on the level of non-performing loans
(NPLs). The second part was mainly to model the dynamic relationship of all the variables that were found to affect non-
performing loans (NPLs); this was done through impulse response analysis based on PANEL VAR model. One standard shock
to credit growth will be greatly felt in the sixth year, whereas of size of the bank will have a great negative impulse in the
seventh year.
Keywords: Non-performing Loans, Panel Data, Panel VAR, Individuality, Impulse Response
1. Introduction
The deterioration in the quality of the loan portfolio of
banks is the main cause of problems in the banking system of
developed as well as developing economies (Jouini and
Messai, 2013). The challenges being faced by the
Zimbabwean banking sector largely mirror the macro-
economic constraints in the economy. Reserve Bank of
Zimbabwe (January 2015 Monetary Policy Statement)
revealed that credit risk and liquidity constraints remains the
most significant challenge facing the banking sector.
Given the fact that changes within macroeconomic and
microeconomic environment translate themselves into
changes in the quality of a loan portfolio, the aim of this
paper was to model the sensitivity of Zimbabwean
commercial banks’ nonperforming loans to shocks in the
macroeconomic and microeconomic environment.
2. Objectives of the Study
The main objective of the study was to model the
sensitivity of Zimbabwean commercial banks’ non-
performing loans to shocks in macroeconomic variables and
microeconomic variables and the supporting secondary
objectives are as follows:
(1) To Determine the (Microeconomic Variables) Bank
Specific Determinants of Nonperforming Loans (NPLs) of
Commercial Banks in Zimbabwe.
(2) To Determine the Macroeconomic Determinants of
Nonperforming Loans (NPLs) of Commercial Banks in Zimbabwe.
2. 28 Jacob Muvingi et al.: Modelling the Sensitivity of Zimbabwean Commercial Banks’ Non-performing Loans to Shocks in
Macro-economic Variables and Micro-economic Variables: (2009-2014)
3. Background of the Study
Zimbabwe banking sector has been experiencing a
perennial problem of high non-performing loans since the
dollarization of the economy in 2009. The average non-
performing loans (“NPLs”) ratio stood at 16% as at 31
December 2014, 4% down from 30 June 2014.
Source: July 2015 Mid-Term Monetary Policy Statement
Figure 1. Trend of NPLs from 2009 to June 2015.
During the last half of 2014 the non-performing loan ratio
dropped by 453 basis points to 15.91%, the decline in the NPL
ratio noted over the quarter was largely attributable to the
closure of Interfin and Allied banks’ and general improvement
in loan quality in a few banks. The Reserve Bank closed two
banking institutions, namely, Capital Bank Limited and
Interfin Banking Corporation. It cancelled Allied Bank
Limited’s banking licence on 8 January 2015. Consequently,
the number of distressed banks in the sector went down to
three, Metbank, Afrasia Bank Zimbabwe Limited and Tetrad
Investment Bank. With the prevalence of high NLP ratio these
banks continued to experience some liquidity and solvency
challenges. (January 2015 Monetary Policy Statement)
4. Empirical Literature
4.1. Macroeconomic Determinants of NLP
The analysis of macroeconomic variable as determinants
of NLP has put sovereign debt under scrutiny. Reinhart &
Rogoff (2010) took their time to study the transmission of
sovereign debt to the banking system. They provide
empirical evidence that banking crises most often either
precede or coincide with sovereign debt crises and later
identified two channels of transmission of a sovereign debt
crisis to the banking system, the first one being the ‘ceiling’
effect on the market evaluation of credibility for the national
banks due to the deterioration of public finances resulting in
banks being exposed to liquidity challenges. In efforts to
reduce liquidity risks banks tend to reduce lending leading to
debtors being unable to refinance their debt. Louzis (2011)
formulated: Sovereign debt hypotheses, thus: Rising
sovereign debt leads to an increase in NPLs.
Sales and Saurina (2002) used Spanish banks panel data
over the period of 1985-1997 and employed dynamic model to
investigate the determinants of NPLs. Fluctuations in NPLs
was found to be explained by growth in GDP, bank size,
market power, rapid credit expansion and capital ratio. (Rajan
& Dhal; 2003) studied Indian banks using panel regression
models to suggest that credit terms have a significant effect on
the Indian non-performing loans in the presence of bank size
induced risk preferences and macroeconomic shocks. The
changes in the cost of credit in terms of expectations of higher
interest rates induce a rise in NPLs.
Nkusu (2011) analysed NPL determinants and feedback
effects for a panel of 26 advanced economies. The findings
are in line with previous studies and expectations. They
confirm that deterioration in the macroeconomic environment
(peroxide by slower growth, higher unemployment or falling
asset prices) is associated with debt service problems,
reflected into rising NPLs.
4.2. Microeconomic Determinants of NLP (Bank Specific
Variables)
Klein (2013), in their research “Non-Performing Loans in
CESEE: Determinants and Impact on Macroeconomic
Performance “investigated the non-performing loans (NPLs)
in Central, Eastern and South- Eastern Europe (CESEE) in
the period of 1998–2011. They employed Panel VAR in their
analysis and found out that the level of NPLs can be
attributed to both macroeconomic conditions and banks’
specific factors however bank’s specific factors seems to
have a relatively low explanatory power. While NPLs were
found to respond to macroeconomic conditions, such as GDP
growth, unemployment, and inflation, the analysis also
3. World Journal of Operational Research 2017; 1(1): 27-34 29
indicates that there are strong feedback effects from the
banking system to the real economy, thus suggesting that the
high NPLs that many CESEE countries currently face
adversely affect the pace economic recovery.
Shingjergji (2013) conducted study on the “impact of bank
specific factors on NPLs in Albanian banking system”. In the
study, capital adequacy ratio, loan to asset ratio, net interest
margin, and return on equity were considered as a
determinant factor of NPLs. The study utilized simple
regression model for the panel data from 2002 to 2012 period
and found as capital adequacy ratio has negative but
insignificant whereas ROE and loan to asset ratio has
negative significant effect on NPLs. The study justifies that
an increase of the CAR will cause a reduction of the NPLs
ratio. Besides, an increase of ROE will determine a reduction
of NPLs ratio.
E. M Musau (2014); In his research “Modeling Non-
Performing Loans in Kenya Commercial Banks”, used a
dynamic econometric model to link and assess the joint
relationship between Nonperforming loan ratio and its
determinants in Kenya Banking sector. The author found out
that there was a positive relationship between inflation rate,
Rear Interest rate, credit growth, liquidity of the bank and non-
performing loan among Commercial Banks in Kenya. The
relationship between Gross domestic product, capital adequacy
and non-performing loans was found to be negative.
5. Research Methodology
The study adopted a descriptive panel data research
design. It focussed on modelling non-performing loans in
Zimbabwe from the empirical evidences that help answer the
research objective the study made use of commercials’ loan
books and all the aggregate data pertaining non-performing
loans in the commercial banking system.
5.1. Sample Population
The researcher selected 7 senior commercial banks in
Zimbabwe judgmentally, basically on the fact that all of them
where in existence from 2009 up December 2014. The sample
consists of three private domestic-owned banks namely:
Commercial Bank of Zimbabwe (CBZ), First Banking
Corporation (FBC), NMB, one state owned bank (ZB Bank
formerly Zimbank), and three foreign-owned banks, namely:
Barclays bank, Standard Chartered Bank and Stanbic bank.
5.2. Model Specification
To explain relationship between macroeconomic variables
and bank specific variables Non-Performing Loans (NPL)
panel data regression models were used to analyse and
quantify the sensitivity of the NPLs to macroeconomic and
financial variables described above during the period
between the Q1: 2009 and Q1: 2014. A second issues lies in
studying the dynamic response of one variable to changes in
another. In this paper, a panel vector autoregressive (panel
VAR) model was later utilised. The VAR deals with the issue
of simultaneity bias, by assuming all variables under study
are endogenous. It also describes the dynamic evolution of a
number of variables from their common history.
5.2.1. Explanation of Study Variables
Microeconomic variables: Loan to deposit ratio (LDR),
Return on assets (ROA), bank size (SIZE) and credit growth
(CG)
Macroeconomic variables: Public debt as % of GDP
(DEBT), Annual percentage growth rate of GDP (GDP),
Annual average inflation rate (INFL), % of unemployment
(UNEMP) and Average Lending rate (LR)
Dependent Variable: Non-performing loan
5.2.2. Fixed Effect and Random Effects Models
Fixed effects and random effects models work to remove
omitted variable bias by measuring change within a group.
By measuring within a group (across time) you control for a
number of potential omitted variables unique to the group.
When one intends to use fixed effects or random effects
models, he or she should take into account their assumption.
Fixed and Random effect regression model
= + + + + (1)
Where:
yit = the dependent variable observed for individual i in
time t.
Xit = the time-variant specific regressor
Zt = the time-variant common regressor
αi = the unobserved individual effect
uit= the error term
Choosing between fixed and random effects
When analysing panel data with fixed and random effects
model, one of these models will be inconsistence hence there
is a need to choose the best model between the two. In this
study The Hausman test was used as a criteria to select the
best model to use.
Modified panel regression model for the study:
This model links the ratio of NPLs to total loans and key
macro-economic and bank-specific variables. By considering
both sets of variables the specification of the fixed effect
panel regression model is constructed as follows.
= , + + + + + ! " + # " + $% &
+ ' + ( +
"0* + + + , + (2)
Where:
= ratio of NPLs to total loans for bank i in year t
= government debt to GDP ratio at time t
= annual average inflation at time t
= % of unemployment at time t
Bank specific variables
" = the loans to deposit ratio in time period t for bank
i
4. 30 Jacob Muvingi et al.: Modelling the Sensitivity of Zimbabwean Commercial Banks’ Non-performing Loans to Shocks in
Macro-economic Variables and Micro-economic Variables: (2009-2014)
% &
= the credit growth in time period t for banki, as a
percentage of h
( = the ratio of relative market share of bank i’s
deposits that capture the size of the institution at time
"0* = the return on assets in time period t for bank i
+ = NPLs of bank i in year t-1
Panel VAR(Vector Auto Regression)
A panel vector autoregressive (PVAR) estimation that
helps identify how variables in the system respond to shock
affecting other variables. The main objective of the study was
to model the sensitivity of Zimbabwean commercial banks’
non-performing loans to shocks in macroeconomic variables
and microeconomic variables (bank specification), hence the
results of the fixed / random effect model were merged with
panel vector autoregressive (PVAR) model that extract the
relationship between some macroeconomics variables
systematically. This model can indicate the mechanism
effects of any shock and can be used in estimation an out-of-
sample simulation of NLP for banking system under different
scenarios.
The panel vector model of the form below was used in the
study
- = . + ∑ .0
1
02 -, +0 + 3 + 4 (3)
6. Data Presentation and Analysis
The data was analysed using R-statistical package version
3.2.4 and EViews 7. The first section of this study was
mainly about data preparation, explanation of study
variables, and discussion of results.
6.1. Descriptive Statistics
Table 1. Descriptive Statistics of study variables.
Column1 UNEMP SIZE ROA NPL LR LDR INFL GDP DEBT CG
Mean 0.0555 0.143888 0.031822 0.088247 0.201667 0.963927 0.149576 0.08027 0.68233 1.286483
Median 0.054 0.097565 0.024688 0.02664 0.19375 0.641839 0.038107 0.08275 0.668 0.149206
Maximum 0.064 0.493075 0.369031 0.704681 0.3063 8.332968 0.742982 0.11905 0.77 37.28799
Minimum 0.053 0.016559 -0.018098 0.000546 0.1312 0.166371 0.013387 0.03848 0.601 -0.853922
Std. Dev. 0.003909 0.118637 0.0565 0.147686 0.053153 1.544758 0.268785 0.03379 0.06178 5.764506
Skewness 1.66634 1.71495 5.200082 2.834685 0.901978 4.087369 1.78317 -0.0616 0.27468 6.010199
Kurtosis 3.976187 4.783062 31.75569 10.98355 3.171881 18.57927 4.189957 1.17142 1.62472 38.0166
Jarque-Bera 21.10447 26.15117 1636.343 167.788 5.746645 541.6948 24.73587 5.87801 3.83807 2398.641
Probability 0.000026 0.000002 0 0 0.056511 0 0.000004 0.05292 0.14675 0
Sum 2.331 6.043283 1.336521 3.706356 8.47 40.48494 6.282176 3.37143 28.658 54.03227
Sum Sq. Dev. 0.000626 0.57706 0.130883 0.894263 0.115834 97.83737 2.962059 0.04682 0.15647 1362.411
Observations 42 42 42 42 42 42 42 42 42 42
The values for non-performing loans range from 0.55% to
a maximum of 74.3%. It has a mean of 20.26% and also
recorded a standard deviation of 14.76%. Debt values ranges
from a minimum of 60.1% to a maximum 70%, it has a mean
of 68.2% and a standard deviation of 6.1%, These values
indicate that the government expenditure is heavily financed
by debt that has affected the Central bank to be the lender of
last resort since it has a high load of debt of itself, causing it
to borrow from local banks, thus magnifying the liquidity
crisis. The GDP growth rate recorded a maximum of 11.91%
and the lowest of 3.848%, and a mean of 8.02%, as far as
inflation is concerned, a maximum of 74.3% and a minimum
of 1.33%, Which is an indication of falling of prices due to
adoption of multi-currency.
Regarding loan rate, the maximum was 30.63% and
minimum was 13.12%, which is an indication of high lending
rates in the market. Commercial banks credit growth rate had
a maximum of 372.87% and a minimum of -85.4%, and a
mean of 128%. Loan–to deposit ratio (LTD) ranges from
minimum of 16.63% to a maximum of 833.3%. Commercial
banks’ Return on Assets (ROA) recorded a minimum of
0.0546% and maximum of 70.4 % with a mean value of
3.18%.
6.2. Estimation of the Model
Fitted panel fixed effect model
=
0.06899:;<=:>? − 0.121<9C + 0.271C99:1E+0.147G9< + 0.2281H9 + 0.04167? :19 < + 0.0321? :1<&:;J(−0.798) −
(0.11) − (0.07) " + (1.73)( (5)
Hausman test
The suitability of the two models was tested through
Hausman test. The results of the test show that one of the
model between the two is inconsistence, hence at 95 level of
significance test it can be concluded that random effect
model is the model that is inconsistence since the p-value
(0.7562) is greater than 0.05
Analysis of the fixed effect model results
After choosing fixed effect model, the researcher went on
to account for the individuality of each bank by letting the
5. World Journal of Operational Research 2017; 1(1): 27-34 31
intercept vary for each bank. The purpose of this process was
to incorporate the differences among the banks, which may
arise through different philosophies and management styles.
The researcher adopted a model that was brought forward by
Gujarati (2004)
- = + + + (6)
To allow the intercept to vary among the banks the
researcher made use of the differentiated intercept dummies
technique.
In this case the equation (6) above becomes
- = + M + + + + ! ! +
# # + E + E (7)
Where D1, D2, D3, D4, D5, D6 and D7 represents the
dummy variables of CBZ, ZB bank, FBC bank, NMB bank,
Stanbic and Stanchart respectively. Hence α1 represents the
intercept of Barclays bank, whereas α2, α3, α4, α5, α6 and α7,
are the differential intercept coefficients, which reflect how
much the intercept of CBZ, ZB bank, FBC bank, NMB bank,
Stanbic bank and Standard Chartered bank, differ from the
intercept of Barclays. represents microeconomic variables
and represents macroeconomic variables.
6.3. Macroeconomic Variables and Non-performing Loans
Two of the macro-economic variables, GDP and inflation
were found to have a significant impact on determining the
NPL ratio in banks. The variable GDP per capita has a
negative sign meaning that a continued economic recession
and downturns coupled with falling per capita GDP is likely
to increase the scope of default on loans, especially in the
most depressed sectors of the economies. In the most extreme
cases, runs on banks during falling GDP per capita are also
accompanied by a rapid decline in per capita income in real
terms [World Bank (1998)]. Among the macro-economic
variables, GDP had the highest t value with significance of -
79.7 this was in consensus with previous studies of Salas and
Saurina (2002), Rajan and Dhal (2003), Jimenez and Saurina
(2006) and Fofack (2005) the real growth rate of GDP is a
significant predictor of credit risk faced by banks.
According to this study Inflation another macroeconomic
variable which was found to be significant in explaining the
dynamics of NPLs, has a t value of -2.66 suggesting that it
has an extensive impact on NPLs. The commercial banks
average landing rate has an insignificant and negative
relationship. Increase of one average interest rate leads to
decrease NPL ratio by 2.09%. This finding is in contradiction
to other studies such as the one done by Jimenez and Saurina
(2005); Quagliariello (2007) and Fofack (2005) who
proposed that high interest rate increase obligation of
borrowers and thus increase credit risk.
6.4. Microeconomic Variables and Non-performing Loans
Bank size had the greatest positive effect on non-
performing loans as highlighted by a positive and significant
t value of 2.593, loan deposit ratio has a negative effect of
0.07. The finding are in consensus with Louzis et al., 2010
but however contradict with the findings of (Rajan and Dhal
2003), (Salas and Saurina 2002.
The Sensitivity of Non-performing Loans to Shocks in
Macro and Micro Economic Variables
After data analysis through panel fixed effect model, the
variables which were found to be significant were carried
further to panel VAR model to determine the dynamics of
non-performing loans and their macroeconomic and
microeconomic effects. As shown in the final fixed effect
model above, the available variables for the panel VAR
model are GDP growth, inflation, loan to deposit ratio, size
and also a new variable ( + ) which was added into the
model also credit growth (CG) and return on assets ( ROA)
where included in the model, however the criteria of
choosing non-significant variables (CG and ROA) was based
on the magnitude of p-value, lending rate (LR) had a p-value
of 92.48%, hence it was not included.
Study Panel VAR model
= + *( )-, + + ( ) + + N , (8)
Where is a k x 1 vector of all variables under
consideration
(- And ) all variables under consideration,
I = 1, 2, 3, 4……N represents bank
- = ( , , , ….. ) collects the bank specific data
is the bank specific intercept.
*( ) and ( ) are lag polynomial of the VAR coefficients
N , the disturbance with zero mean and bank specific
variance
- = { roa, size, ldr, cg}
= collects the macroeconomic variables which do not
vary across banks,
= {Gdp, ifl, lr}
The main focus was to assess the dynamic behaviour of the
model using impulse response functions, which describe the
reaction of one variable in the system to innovations in
another variable in the system while holding all other shocks
at zero. This was done to complete the main objective of the
study which was to model the sensitivity of Zimbabwean
commercial banks’ non-performing loans to shocks in
macroeconomic variables and microeconomic variables.
6.5. NPLs Impulse Response Function Analysis
The graphs below shows the movement of NPLs due effect
of a one standard deviation shock of selected macro and
micro economic variables over a forecast of ten years as well
as two red lines presenting 95% confidence interval for
IRF( Interval response function)
The response of nonperforming loans to a standard
deviation shock in their previous values (own effect) has a
positive effect to the nonperforming ratio; the effect becomes
statistically significant 7 years after the shock, thereafter the
trend continues on an increasing path.
6. 32 Jacob Muvingi et al.: Modelling the Sensitivity of Zimbabwean Commercial Banks’ Non-performing Loans to Shocks in
Macro-economic Variables and Micro-economic Variables: (2009-2014)
Figure 2. Response of NPLs to NPLs (Own-effect).
Figure 3. Response of NPLs to Inflation.
From fig. 4 above it can be depicted that a standard deviation shock to inflation is insignificant in the early years just after
the shock becomes significant in year 7, non-performing loans are increasing after the shock. A year later the movement take a
downward direction.
Figure 4. Response of NPLs to size of the bank.
Response of non-performing loans to banks’ size depicted in Figure 4 above reveal the standard deviation shock on bank
size is significant in the early years of the shock, however nonperforming loans does not quickly respond to the shock.
7. World Journal of Operational Research 2017; 1(1): 27-34 33
Figure 5. Response of NPLs to LDR.
Figure 5 above depicts the response of nonperforming loans to loan deposit ratio, it reflect a weak significance of one
standard deviation shock to the loan deposit ratio. The levels of the nonperforming loans remain constant throughout, even
after one standard deviation shock to loan deposit ratio.
Figure 6. Response of NPLs to credit growth.
Figure 6 above shows the response of nonperforming loans to credit growth, it is shown that a one standard deviation shock
to the credit growth increases nonperforming loans; the effect becomes statistically significant 6 years after the shock. After 10
years the shocks start to have a strong positive significance.
Figure 7. Response of NPLs to DROA.
8. 34 Jacob Muvingi et al.: Modelling the Sensitivity of Zimbabwean Commercial Banks’ Non-performing Loans to Shocks in
Macro-economic Variables and Micro-economic Variables: (2009-2014)
From figure 7 above the response of nonperforming loans to
return on assets above depicts a strong positive significance of
one standard deviation shock to return on assets.
Nonperforming loans reaches a maximum about 9 years after
the initial return on assets standard deviation shock.
7. Conclusions and Findings
The empirical findings of this study provide evidence that
nonperforming loans depends both on macro and micro
economic variables, the trend analysis of Zimbabwean
commercial banks’ shows an upward movement of over the
period of study. The study found out that GDP, Inflation, loan
deposit ratio and bank size had statistically significant effect
on the level of NPLs. However, the results of fixed effect
regression model revealed the insignificant effect of loan to
deposit ratio and inflation rate on the level of NPLs for the
period under consideration.
The findings indicated that return on assets (ROA) has
positive but statistically insignificant impact on NPLs. The
result is unusual since normally a negative impact of NPLs
on bank profitability is expected. The positive relationship
between nonperforming loans and ROA is also depicted
under nonperforming loans response to ROA graph. This
implies that commercial banks in Zimbabwe are less
incentive to increase return via in utilizing their assets.
Similarly, the study under fixed effect model, also found
out that size of the bank had a positive and statistically
significant impact on NPLs. under impulse response analysis,
it can be depicted that the significance of a standard deviation
shock to the size of the bank is felt 7 years after the shock.
These finding were in consensus with Louzis et al., 2010 but
however are in contradictory to the findings of Rajan and
Dhal (2003), Salas and Saurina (2002).
The finding of the lending rate is also surprising, as
opposed to H9 where the researcher had hypothesised that
average prime lending rate of commercial banks has a
positive impact on NPLs, showed negative impact however
an insignificant one. This implies due to other extraneous
factors, increase in lending rate reduces the levels of NPLs
for commercial banks in Zimbabwe.
Furthermore, credit growth which was a proxy of
procyclical credit policy hypothesis, led the researcher to
conclude that credit growth results in the growth of NPLs.
Although the fixed effect model showed that credit growth is
insignificant to explain the variation in the NPLs, impulse
response analysis showed that the significance of one
standard deviation shock to credit growth is mostly felt 7
years after the shock. This can be attributed to the fact that
rapid landing today has an impact on the credit quality hence
resulting in high future loan problems. This was in consensus
to Jimenez and Saurina (2005) who revealed that credit
growth lagged four years has a positive and significant
influence on the NPLs. Panel VAR also provided evidence
that there is a significant relationship between the credit
growth of last year as well as last of last year with the values
of current year’s NPLs. Panel VAR revealed that there is -
0.033374 and -0.044736 for 1 and 2 years back respectively.
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