This document summarizes a research paper that examines the implications of using the Human Development Index (HDI) as a criterion for economic development planning. The paper presents a simple economic model and makes two key findings: 1) Maximizing the HDI requires setting consumption at the minimum level, implying equitable outcomes even without explicit inequality aversion. 2) The weight on income in the HDI plays little role in optimal plans, with expenditures on education and health being emphasized instead.
This month I had the opportunity and good fortune to attend the IxDA (Interaction Design Association) conference in Amsterdam.
I prepared these slides to share some of these inspiring moments with my colleagues and friends back in San Francisco.
Photo Credits: IxDA Flickr
Video Credits: IxDA Vimeo
This month I had the opportunity and good fortune to attend the IxDA (Interaction Design Association) conference in Amsterdam.
I prepared these slides to share some of these inspiring moments with my colleagues and friends back in San Francisco.
Photo Credits: IxDA Flickr
Video Credits: IxDA Vimeo
Econ 3022 MacroeconomicsSpring 2020Final Exam - Due A.docxtidwellveronique
Econ 3022: Macroeconomics
Spring 2020
Final Exam - Due April 24th 11:59pm
1 Multiple Choice Questions (5 points each)
Question 1 What is Ricardian Equivalence?
(a) The economic hypothesis that agents’ decisions are una↵ected by the timing of taxation
and government spending
(b) The economic hypothesis that agents’ decisions are a↵ected by the timing of taxation
and government spending
(c) The economic hypothesis that taxation must be equal every period.
(d) The economic hypothesis that it is impossible to individually identify taxation today
and taxation tomorrow.
Question 2 Consider the consumer problem from the microeconomic foundations we dis-
cussed in class. Suppose the wage decreases. What do we expect to happen to house-
hold labor supply?
(a) Unclear
(b) Increase
(c) Decrease
(d) Stay constant
1
Question 3 Consider the consumer problem from the real intertemporal model. Which of
the following conditions must be satisfied at the solution?
(a) MRSl,c = w
(b) MRSc0,l0 =
1
w0
(c) MRSl,l0 =
w(1+r)
w0
(d) All of the above
Question 4 If total factor productivity tomorrow, z0, increases. What should happen to
investment?
(a) Unclear
(b) Increase
(c) Decrease
(d) Stay constant
Question 5 Consider the standard Solow model from class where the production function
is zF (K, N) = zK↵N1�↵. What is the golden rule savings rate?
(a) sgr = 1 � ↵
(b) sgr = ↵
(c) The savings rate that leads to a steady state with the highest level of income per capita
(d) The savings rate that leads to a steady state with the lowest level of income per capita
2
2 Economic Growth (20 points)
Consider the Solow Growth Model seen in class where the production function is Cobb-
Douglas and given by:
Y = zK↵ (N)
1�↵
where 0 < ↵ < 1 and z is a constant. Let s be the savings rate of this economy, so that
aggregate savings is just a constant fraction of aggregate output: S = sY . Let n be the rate
of population growth, so N
0
N
= 1 + n. Finally, let d be the depreciation rate, and assume the
law of motion for aggregate capital is given by:
K
0 = (1 � d) K + I
(a) (5 pts) Find an expression for the steady state level of capital per capita (k⇤) that only
depends on parameters of the model. Clearly show your work.
(b) (5 pts) Discuss how per capita variables (consumption and income) as well as aggregate
variables (consumption, capital stock, output, and savings) behave in steady state.
Now, suppose that we have a linear production function given by
Y = zK
where z is a constant. Let s be the savings rate of this economy, so that aggregate savings
is just a constant fraction of aggregate output: S = sY . Let n be the rate of population
growth, so N
0
N
= 1 + n. Finally, let d be the depreciation rate, and assume the law of motion
for aggregate capital is given by:
K
0 = (1 � d) K + I
(c) (5 pts) Find an expression for the level of per capita capital stock today as a function
of per capita capital stock tomorrow. Clea.
Chapter One Development Theory & Poicy.pdfAndnetHilnew
It deals with the fundamental questions of development and underdevelopment.
it tries to show the percapita income variations of countries across time and space
Education Policy Outlook - Making Reforms HappenEduSkills OECD
Education Policy Outlook in Brief Looks at education reforms across 34 OECD countries that can touch the lives of more than 150 million students. There are common trends from the more than 450 reforms adopted across countries. With the crisis they are becoming more strategic. Education policy is not only about design. implementation and follow up are vital for success of reforms. The Outlook aims to support policy makers and others to make reform happen that translates into better education in our schools and classrooms
Explore the fascinating world of macroeconomics with us. Our expertly crafted content is designed to demystify complex economic principles, making them accessible to learners of all levels. Whether you're a student seeking homework help or someone curious about the forces that shape economies, our website is your ultimate resource.
🌐 Unlock the secrets of macroeconomics today! Trust EconomicsHomeworkHelper.com to be your companion in mastering economic principles. Ready to start your learning journey? Visit our website and dive into the world of economics like never before.
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I have heard many times that architecture is not important for the front-end. Also, many times I have seen how developers implement features on the front-end just following the standard rules for a framework and think that this is enough to successfully launch the project, and then the project fails. How to prevent this and what approach to choose? I have launched dozens of complex projects and during the talk we will analyze which approaches have worked for me and which have not.
Econ 3022 MacroeconomicsSpring 2020Final Exam - Due A.docxtidwellveronique
Econ 3022: Macroeconomics
Spring 2020
Final Exam - Due April 24th 11:59pm
1 Multiple Choice Questions (5 points each)
Question 1 What is Ricardian Equivalence?
(a) The economic hypothesis that agents’ decisions are una↵ected by the timing of taxation
and government spending
(b) The economic hypothesis that agents’ decisions are a↵ected by the timing of taxation
and government spending
(c) The economic hypothesis that taxation must be equal every period.
(d) The economic hypothesis that it is impossible to individually identify taxation today
and taxation tomorrow.
Question 2 Consider the consumer problem from the microeconomic foundations we dis-
cussed in class. Suppose the wage decreases. What do we expect to happen to house-
hold labor supply?
(a) Unclear
(b) Increase
(c) Decrease
(d) Stay constant
1
Question 3 Consider the consumer problem from the real intertemporal model. Which of
the following conditions must be satisfied at the solution?
(a) MRSl,c = w
(b) MRSc0,l0 =
1
w0
(c) MRSl,l0 =
w(1+r)
w0
(d) All of the above
Question 4 If total factor productivity tomorrow, z0, increases. What should happen to
investment?
(a) Unclear
(b) Increase
(c) Decrease
(d) Stay constant
Question 5 Consider the standard Solow model from class where the production function
is zF (K, N) = zK↵N1�↵. What is the golden rule savings rate?
(a) sgr = 1 � ↵
(b) sgr = ↵
(c) The savings rate that leads to a steady state with the highest level of income per capita
(d) The savings rate that leads to a steady state with the lowest level of income per capita
2
2 Economic Growth (20 points)
Consider the Solow Growth Model seen in class where the production function is Cobb-
Douglas and given by:
Y = zK↵ (N)
1�↵
where 0 < ↵ < 1 and z is a constant. Let s be the savings rate of this economy, so that
aggregate savings is just a constant fraction of aggregate output: S = sY . Let n be the rate
of population growth, so N
0
N
= 1 + n. Finally, let d be the depreciation rate, and assume the
law of motion for aggregate capital is given by:
K
0 = (1 � d) K + I
(a) (5 pts) Find an expression for the steady state level of capital per capita (k⇤) that only
depends on parameters of the model. Clearly show your work.
(b) (5 pts) Discuss how per capita variables (consumption and income) as well as aggregate
variables (consumption, capital stock, output, and savings) behave in steady state.
Now, suppose that we have a linear production function given by
Y = zK
where z is a constant. Let s be the savings rate of this economy, so that aggregate savings
is just a constant fraction of aggregate output: S = sY . Let n be the rate of population
growth, so N
0
N
= 1 + n. Finally, let d be the depreciation rate, and assume the law of motion
for aggregate capital is given by:
K
0 = (1 � d) K + I
(c) (5 pts) Find an expression for the level of per capita capital stock today as a function
of per capita capital stock tomorrow. Clea.
Chapter One Development Theory & Poicy.pdfAndnetHilnew
It deals with the fundamental questions of development and underdevelopment.
it tries to show the percapita income variations of countries across time and space
Education Policy Outlook - Making Reforms HappenEduSkills OECD
Education Policy Outlook in Brief Looks at education reforms across 34 OECD countries that can touch the lives of more than 150 million students. There are common trends from the more than 450 reforms adopted across countries. With the crisis they are becoming more strategic. Education policy is not only about design. implementation and follow up are vital for success of reforms. The Outlook aims to support policy makers and others to make reform happen that translates into better education in our schools and classrooms
Explore the fascinating world of macroeconomics with us. Our expertly crafted content is designed to demystify complex economic principles, making them accessible to learners of all levels. Whether you're a student seeking homework help or someone curious about the forces that shape economies, our website is your ultimate resource.
🌐 Unlock the secrets of macroeconomics today! Trust EconomicsHomeworkHelper.com to be your companion in mastering economic principles. Ready to start your learning journey? Visit our website and dive into the world of economics like never before.
"Impact of front-end architecture on development cost", Viktor TurskyiFwdays
I have heard many times that architecture is not important for the front-end. Also, many times I have seen how developers implement features on the front-end just following the standard rules for a framework and think that this is enough to successfully launch the project, and then the project fails. How to prevent this and what approach to choose? I have launched dozens of complex projects and during the talk we will analyze which approaches have worked for me and which have not.
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Dp 0517
1. ISSN 0111-1760
University of Otago
Economics Discussion Papers
No. 0517
December 2005
The human development index as a criterion for optimal planning*
Merwan Engineer1, Ian King and Nilanjana Roy1
Contact details:
Prof. Ian King
Department of Economics
University of Otago
PO Box 56
Dunedin
NEW ZEALAND
E-mail: iking@business.otago.ac.nz
Telephone: 64 3 479 8725
Fax: 64 3 479 8174
__________________
1
Department of Economics, University of Victoria, Victoria, Canada
*This paper was written while Ian King was on faculty at the University of Auckland, and was
financed partially by research support at that institution. We would also like to thank the Social
Sciences and Humanities Research Council of Canada for financial support.
2. Abstract
Planning strategies that maximize the Human Development Index (HDI) imply
equitable outcomes – even though inequality aversion is not in the index itself.
Moreover, the weight on income in the HDI plays only an indirect role in determining
optimal allocations.
Keywords: Human development index; Planning
JEL classification: O21; O15
3. 1. Introduction
The Human Development Index (HDI) is a composite index published annually by the
UN Human Development Report Office, since 1990, which is designed to measure
“human well being” in different countries.1 The index combines measures of life
expectancy, school enrolment, literacy, and income to provide a broader-based
measure of well-being and development than income alone. Since its publication, this
index has become widely cited and is commonly used as a way of ranking the quality
of life in different countries. The impact of the HDI ranking on policy is reflected by
the fact that some national governments have taken to announcing their HDI ranking
and their aspirations for improving it.2
In this paper, we consider the implications of using the HDI as a criterion for
economic development plans. In particular, we examine the consequences of pursuing
plans that maximize the HDI score for a given country. To do this, we construct a
simple economic model where a planner chooses optimal education, health, and
consumption expenditures to maximize a well-defined objective function that includes
the HDI index as a special case. To keep the analysis as simple as possible, we restrict
our attention to economies with incomes high enough so that consumption levels
themselves do not affect educational attainment or life expectancy. We show that
despite the fact that the HDI includes an income index as one of its components, the
optimal plan involves maximizing expenditure on the other two components of the
index: education and health. This optimal plan tends to imply equitable outcomes. We
also identify circumstances under which income’s weight in the index is irrelevant to
optimal plans. At most, income plays an indirect role in determining optimal plans.3
1
For a detailed description see http://hdr.undp.org/statistics/indices/.
2
For example, in a recent speech, the President of India, Dr. Abdul Kalam, exalts Indians to work
together to improve India’s current HDI rank of 127 to achieve a rank of 20; see Kalam (2005). The
HDI is discussed in recent Indian budgets; see Budget of India (2005). In announcing Canada’s number
one ranking in 1998, Prime Minister Jean Chrétien stated: “While the HDI tracks Canada’s impressive
achievements, it also tells us where we can improve.”; see Chrétien (1998).
3
This is an interesting result because the “capabilities approach”, or equivalently “human development
approach”, de-emphasizes valuing income per se [e.g. Sen (1985), Anand and Ravallion (1993)].
Anand and Ravallion (1993, p.136-37) note that while the philosophy of the Human Development
Report has been heavily influenced by the capabilities approach, the inclusion of income in the HDI is
problematic because “…it is not a direct indicator of any achievement or functioning, …”.
1
4. 2. The model
We consider a static closed economy model, where a planner acts to maximize the
following objective function, which nests the HDI:
I ( w, W ) = wI y ( y ) + (1 − w)[WI e (e) + (1 − W ) I l (l )] (1)
Here, I y ( y ) , I e (e) , and I l (l ) represent indexes of per capita income (y), educational
attainment (e), and life expectancy (l) respectively. These are assumed to be
differentiable, increasing and concave in their respective arguments. The parameters
w and W are weights used when constructing the composite index, given in equation
(1).4
Educational attainment is assumed to be a differentiable increasing function of
expenditures on both education (E) and health (H). Thus:
e = e( E , H ) , eE > 0 , eH ≥ 0 (2)
Similarly, life expectancy is differentiable and increasing in both of these arguments:
l = l ( E, H ) , lE ≥ 0 , lH > 0 (3)
To simplify the analysis, we are assuming that the economy in question has a level of
per capita income high enough so that neither income nor consumption substantially
affect life expectancy and educational attainment as measured in the HDI. This is
formalized by the following assumption about per capita consumption c:
c ≥ c min (4)
4
The HDI is a special case of this index, where w = 1/3 and W = 1/2, so that each of the three
component indexes are equally weighted.
2
5. where c min is a parameter which identifies the level of consumption beyond which no
further increments in consumption will increase educational attainment or life
expectancy.5 If this constraint is relaxed the results we derive below are even stronger.
In this simple static economy, we abstract away from capital, and assume full
employment of labour. Total labour in the economy is normalized to one unit. Given
this, output per capita is determined by the following differentiable production
technology:
y = f (e, l ) , fe ≥ 0 , fl ≥ 0 (5)
Here, education levels affect output through human capital in the usual way. Also,
increments in life expectancy increase the effective size of the labour force and
thereby increase production.
Once produced, the single good in the economy can be allocated to three possible
uses: aggregate consumption ( l ⋅ c ), education expenditure (E), and health expenditure
(H). Therefore, the economy must respect the aggregate constraint:
lc + E + H ≤ y (6)
Observe that consumption, c, is on items other than health and education and that we
allow total consumption to be proportional to life expectancy.
2. The Planner’s Problem
Given the concavity of the objective function (1) and the convexity of the constraints
(4) and (6), using equations 1-6, the planner’s problem can be formulated as the
concave programming problem (P1):
5
This assumption is consistent with Anand and Ravallion’s (1993) “capability expansion through
social services”. According to this explanation (also see Sen, 1981), the public provision of essential
goods and services leads to improved social outcomes and income matters if it is used to finance
suitable public services and alleviate poverty. For example, Anand and Ravallion find in a sample of
22 developing countries that after controlling for health expenditures and poverty (as measured by the
proportion of population consuming less one dollar a day in 1985 at PPP), life expectancy is not
affected by consumption. Even the unconditional plot of income against life expectancy displays an
income threshold (achieved by all developed countries) beyond which there is no discernable
relationship (e.g. Deaton, 2003)). Anand and Ravallion contrast schools of thought on the importance
of social services versus private consumption for human development.
3
6. Max I ( w, W ) = wI y ( f (l ( E , H ), e( E , H ))) + (1 − w)(WI e (e( E , H )) + (1 − W ) I l (l ( E , H )) )
{c , E , H }
subject to: i) l ( E , H )c + E + H − f (l ( E , H ), e( E , H ) ) ≤ 0
ii) − c ≤ −c min
The Lagrangian for the problem is:
(
Ł = wI y ( f (l ( E , H ), e( E , H ))) + (1 − w) WI e (e( E , H )) + (1 − W ) I l (l ( E , H )) )
+ λ1 ( f (l ( E , H ), e( E , H )) − E − H − l ( E , H )c ) + λ 2 (c − c min ) (7)
Proposition 1. Maximizing the HDI requires setting consumption at the minimum
level: c * = c min .
Proof. The Kuhn-Tucker maximum conditions are necessary and sufficient for a
global maximum. Among these conditions are the following:
c(λ 2 − λ1l ( E , H ) ) = 0 (8)
λ 2 (c − c min ) = 0 (9)
λ1 ≥ 0 , λ2 ≥ 0 (10)
We now show that λ 2 > 0 . Suppose not. Then, by (10), λ 2 = 0 . By (8), since
l ( E , H ) > 0 and c > 0 , this implies that λ1 = 0 . Since the objective function is
strictly increasing in E and H, the resource constraint (6) binds, and so λ1 > 0 . This is
a contradiction. Thus, λ 2 > 0 . By (9), this then implies that c = c min . ■
The intuition behind this result is quite straightforward. Consumption does not enter
the index (the objective function) or the production technology, but costs the planner
4
7. through the resource constraint, so the optimal plan will set consumption to its
minimal allowed value.6
Notice that, if we assume c min is the same for each person in the economy, then
Proposition 1 implies that consumption for each individual would be set equal to the
same value under the optimal plan. That is, the optimal plan is egalitarian, at least
with respect to consumption, even though no inequality aversion appears explicitly in
the HDI itself. If education and health facilities are also equally accessible to
everyone in the economy, (as would be the case, for example, if agents are
homogeneous and given diminishing returns to individual expenditures on education
and health) then maximizing the HDI implies equality of treatment. This is important
because some critics of the HDI have argued that some sort of inequality aversion
should be built into the index explicitly (e.g. Foster et al., 2005). Proposition 1
indicates that, if governments use the existing HDI as an objective function to devise
their plans, then this leads to equitable outcomes – through the implied emphasis on
maximizing funding to education and health.
4. The Role of Income
This emphasis on education and health expenditures naturally leads us to consider the
question of the importance of the income index I y ( y ) in the HDI. In the optimal
plan, given that c = c min , the remaining problem of how to allocate resources to E and
H is affected by I y ( y ) only because of the effects of E and H on production,
indirectly through life expectancy l ( E , H ) and education e( E , H ) . By way of
contrast, both l ( E , H ) and e( E , H ) have direct impacts on the indexes I e (e) , and
I l (l ) respectively. Particularly in developed economies, it seems reasonable to argue
that the marginal effects of E and H on production may be quite small. This reasoning
is formalized in the following proposition.
6
Observe that if cmin = 0, then c = 0. This unrealistic corner solution arises only because we have
excluded consumption from the education and health functions, e and l, on the grounds that cmin > 0 is
sufficiently high not to affect those functions. If we resolve the planner’s problem without the
minimum consumption constraint (ii), we would have to specify the e and l functions as positively
related to c (over the range up to cmin) to get an internal solution. This internal solution would have a
smaller value of c and a larger value of public expenditures than (P1). Consumption is even more de-
emphasized without the minimum consumption constraint.
5
8. Proposition 2.
a) If f l = f e = 0 then the weight w on the income index I y ( y ) in the HDI plays
no role in determining optimal plans.
b) If f l > 0 or f e > 0 then the weight w on the income index I y ( y ) in the HDI
affects only the trade-off between expenditures on education E and health H.
Proof.
a) Consider an alternative objective function where only the indexes I e (e) and
I l (l ) have weight: I (W ) = WI e (e( E , H )) + (1 − W ) I l (l ( E , H )) .
ˆ ˆ ˆ When
f l = f e = 0 then I ( w,W ) is simply an affine transformation of I (W ) .
ˆ
b) By Proposition 1, c = c min . Problem P1 is therefore equivalent to the following
problem, P2, in which determines the choices of E and H:
Max I ( w, W , c min ) = wI y ( f (l ( E , H ), e( E , H ))) + (1 − w)(WI e (e( E , H )) + (1 − W ) I l (l ( E , H )) )
{E , H }
subject to: l ( E , H )c min + E + H − f (l ( E , H ), e( E , H ) ) ≤ 0 ■
5. Conclusion
The HDI is a widely cited statistic that is commonly used as a measure of well-being
in different countries. Here, we have examined some of the implications that follow if
government planners decide to use maximization of the HDI as a criterion for optimal
plans. We have found that, if they do so, planners will tend to heavy emphasize
expenditures on education and health over consumption on other items. This leads the
economy towards a more egalitarian allocation – even though inequality aversion
does not appear explicitly in the HDI itself. Our simple static normative analysis
ignores capital accumulation and growth issues and does not look at the positive
issues around incentive and participation constraints. We leave these issues for future
research.
6
9. References
Anand, S. and M. Ravillion, 1993, Human development in poor countries: on the role
of private incomes and public services”, Journal of Economic Perspectives 7, 133-
150.
Budget of India, 2005, http://indiabudget.nic.in/es2004-05/chapt2005/chap14.htm.
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