DEMAND FORECASTING
Meaning of Demand Forecasting... 
• Forecasting is the basis of corporate 
long-term planning. 
• “Forecast” means to predict future. 
Demand Forecasting refers to the 
prediction or estimation of future 
situation under given constraints.
Definition… 
According to Prof. Norman Gaitheer 
and Greg Frazier, “Forecasting is 
estimating the future demand for 
products and services and the 
resources necessary to produce these 
outputs”.
Objectives of Demand Forecasting… 
A. Short term Objectives: 
1. Regular availability of labour 
2. Price policy formulation 
3. Proper control of sales 
4. Arrangement of finance 
5. Regular supply of raw material 
6. Formulation of production policy 
B. Long term Objectives: 
1. Labour requirements 
2. Arrangement of finance 
3. To decide about expansion
Types of Demand Forecasting… 
1. Short term Demand Forecasting : It is concerned 
with the short time period and is required for 
current production scheduling. 
2. Long term Demand Forecasting : It is needed for 
capacity expansion i.e. growth of the firm, 
recruitment, and diversification policies. 
3. Medium term Demand Forecasting : Its need is felt 
by a firm when the industry to which 
the firm belongs, is subjected to the 
trade cycle of a medium term.
DETERMINANTS… 
1. Durable consumer goods : 
A. Change in size and characteristics of population 
B. Saturation limit of the market 
C. Existing stock of the goods 
D. Tastes and scales of preference of consumers 
E. Income level of consumers 
2. Non-durable consumer goods : 
A. Disposable income 
B. Price 
C. Size and characteristics of population 
3. Capital(producer’s) goods
METHODS 
OR 
TECHNIQUES 
OF 
DEMAND FORECASTING
This method uses the most direct approach to demand 
forecasting by directly asking the consumers about their 
future consumption plan. 
In this method, the burden of forecasting goes to the 
buyers. 
This method is very simple and free from statistical 
burden.
• It is of three types 
1. Complete Enumeration Survey:- In the complete 
enumeration survey, the probable demand of all the 
consumer s for the forecast period are summed up 
to have the sales forecast for the forecast period 
2. Survey :The probable demand expressed by each 
selected unit is summed up to get the total demand 
of sample units in the forecast period 
3. End Use Method :- the sale of the product under 
consideration is projected on the basis of demand 
survey of the industries using this 
product as an intermediated product.
OPINION POLL METHOD 
The opinion poll methods aims at collecting 
opinions of those who are supposed to 
process knowledge of all market 
Eg:- Sales Representative, Sale Executives, 
Professional Marketing Experts & 
Consultants
The opinion method consists of 
• Expert opinion method : In this method 
expert’s opinion is sought on the future 
demand for product 
• Delphi method : It can make more realistic 
forecast. A panel of experts are asked 
sequential question and from responses new 
questionnaire is produced. 
• Market studies & experiments :
STATISTICAL METHODS 
• In the theory of demand forecasting the 
statistical techniques have proved to be useful. 
• Statistical techniques are used to maintain 
objectivity as well as precision in demand 
forecasting 
• Its explained which utilize historical & cross 
section data for estimating long term 
demand.
Its considered to be superior techniques 
1. The element of subjectivity is minimum 
2. Method of estimation is scientific 
3. Estimation is based on the theoretical 
relationship between the dependent & 
independent variables 
4. Estimation are relatively more reliable 
5. Estimation involves smaller cost.
• Its consists of following techniques 
1. Trend projection method : 
-Graphical method 
-Fitting trend equation least square method 
-Box Jenkins method 
2. Barometric method : 
-Leading series 
-Coincidental series 
-Lagging series 
3. Econometric method : 
-Regression method 
-Simultaneous equation method
Life cycle segmentation analysis : Each product has a life cycle of 
Introduction, growth, maturity, saturation & decline. Since the 
business tactics differ at each stage, we should know when the 
product will be at one stage of cycle. But since total market also 
has its segments, life cycle for same products may proceed at 
different rates in different market segments. There are 5 stages in 
product life cycle :- 
a) Introduction 
b) Growth 
c) Maturity 
d) Saturation 
e) Decline
1) Risk of entry by potential competitors : Potential competitors are 
those firms which have the capacity to compete the business of existing 
firms. Hence, established firms try their best to discourage potential 
competitions because their entry into market reduces market share of 
established firms by competing for price cutting or benefits at same price. 
Risk of entry of potential competitors represents a threat when it is high. 
Hence, company creates some barriers like :- 
a) Brand Loyalty 
b) Cost Advantage 
c) Economies of scale 
d) Policies of the Government 
e) Developed channels of distribution
2) Rivalry among established companies : The companies engaged 
in producing & selling the same product are competing with each 
other. They enjoy different roles as leader, challenger, niche-players. 
If competitive force is strong, it is a threat. If it weak, it provides an 
opportunity for the established company to raise product & earn 
profits. EG : PEPSI & COCA-COLA. 
Rivalry of firms depend on 3 factors :- 
a) Industry Competitive Structure 
b) Demand Conditions 
c) Height of exit Barriers
3) Bargaining Power of Buyers : Buyers are viewed as competitive 
threat when they force down prices or ask for superior quality & 
better after sale services. According to Porter, buyers are more 
powerful in following situation :- 
a) When buyers are composed of small firms & their number is 
high and buyers are few in numbers & large in size. 
b) When buyers purchase goods in bulk. 
c) When suppliers are dependent on buyers for large orders. 
d) When buyers purchase raw material from several companies. 
e) When buyer can supply his own needs.
4) Bargaining power of suppliers : When the suppliers are able to 
force up the prices & the firm has to reduce the quality supplied, it 
is more a threat. The suppliers are more powerful in following 
situation :- 
a) When the supplier’s product have a few substitutes. 
b) When firms industry is not as substantial & significant. 
c) When supplier’s product are differentiated widely & company 
is dependent upon its suppliers. 
d) When suppliers can integrate vertically forward into industry 
& can do the business of buyer’s firm directly. 
e) When buyer is not in a position to integrate vertically 
backward & fails to produce raw materials at its own.
5) Threats of close substitute : Substitute products are those products that serve 
similar consumer needs. There are many good substitutes developed by modern 
technology. The producer of juice from fruits & sold in bottles has the substitute 
of cold drinks. Beverages like tea can be substituted by coffee. Existence of close 
substitutes represents strong competitive threat that limits price fixation power 
of the firm. The competitive weapons used are :- 
a) Competing by Quality 
b) Competing by Cost 
c) Competing by Flexibility 
d) Competing by speed 
e) Competing by Location 
f) Competing by Technology 
g) Competing on HRM 
h) Vertical Integration 
I) Inventory system as Competitive Tool

Demand forecasting

  • 1.
  • 2.
    Meaning of DemandForecasting... • Forecasting is the basis of corporate long-term planning. • “Forecast” means to predict future. Demand Forecasting refers to the prediction or estimation of future situation under given constraints.
  • 3.
    Definition… According toProf. Norman Gaitheer and Greg Frazier, “Forecasting is estimating the future demand for products and services and the resources necessary to produce these outputs”.
  • 4.
    Objectives of DemandForecasting… A. Short term Objectives: 1. Regular availability of labour 2. Price policy formulation 3. Proper control of sales 4. Arrangement of finance 5. Regular supply of raw material 6. Formulation of production policy B. Long term Objectives: 1. Labour requirements 2. Arrangement of finance 3. To decide about expansion
  • 5.
    Types of DemandForecasting… 1. Short term Demand Forecasting : It is concerned with the short time period and is required for current production scheduling. 2. Long term Demand Forecasting : It is needed for capacity expansion i.e. growth of the firm, recruitment, and diversification policies. 3. Medium term Demand Forecasting : Its need is felt by a firm when the industry to which the firm belongs, is subjected to the trade cycle of a medium term.
  • 6.
    DETERMINANTS… 1. Durableconsumer goods : A. Change in size and characteristics of population B. Saturation limit of the market C. Existing stock of the goods D. Tastes and scales of preference of consumers E. Income level of consumers 2. Non-durable consumer goods : A. Disposable income B. Price C. Size and characteristics of population 3. Capital(producer’s) goods
  • 7.
    METHODS OR TECHNIQUES OF DEMAND FORECASTING
  • 8.
    This method usesthe most direct approach to demand forecasting by directly asking the consumers about their future consumption plan. In this method, the burden of forecasting goes to the buyers. This method is very simple and free from statistical burden.
  • 9.
    • It isof three types 1. Complete Enumeration Survey:- In the complete enumeration survey, the probable demand of all the consumer s for the forecast period are summed up to have the sales forecast for the forecast period 2. Survey :The probable demand expressed by each selected unit is summed up to get the total demand of sample units in the forecast period 3. End Use Method :- the sale of the product under consideration is projected on the basis of demand survey of the industries using this product as an intermediated product.
  • 10.
    OPINION POLL METHOD The opinion poll methods aims at collecting opinions of those who are supposed to process knowledge of all market Eg:- Sales Representative, Sale Executives, Professional Marketing Experts & Consultants
  • 11.
    The opinion methodconsists of • Expert opinion method : In this method expert’s opinion is sought on the future demand for product • Delphi method : It can make more realistic forecast. A panel of experts are asked sequential question and from responses new questionnaire is produced. • Market studies & experiments :
  • 12.
    STATISTICAL METHODS •In the theory of demand forecasting the statistical techniques have proved to be useful. • Statistical techniques are used to maintain objectivity as well as precision in demand forecasting • Its explained which utilize historical & cross section data for estimating long term demand.
  • 13.
    Its considered tobe superior techniques 1. The element of subjectivity is minimum 2. Method of estimation is scientific 3. Estimation is based on the theoretical relationship between the dependent & independent variables 4. Estimation are relatively more reliable 5. Estimation involves smaller cost.
  • 14.
    • Its consistsof following techniques 1. Trend projection method : -Graphical method -Fitting trend equation least square method -Box Jenkins method 2. Barometric method : -Leading series -Coincidental series -Lagging series 3. Econometric method : -Regression method -Simultaneous equation method
  • 15.
    Life cycle segmentationanalysis : Each product has a life cycle of Introduction, growth, maturity, saturation & decline. Since the business tactics differ at each stage, we should know when the product will be at one stage of cycle. But since total market also has its segments, life cycle for same products may proceed at different rates in different market segments. There are 5 stages in product life cycle :- a) Introduction b) Growth c) Maturity d) Saturation e) Decline
  • 16.
    1) Risk ofentry by potential competitors : Potential competitors are those firms which have the capacity to compete the business of existing firms. Hence, established firms try their best to discourage potential competitions because their entry into market reduces market share of established firms by competing for price cutting or benefits at same price. Risk of entry of potential competitors represents a threat when it is high. Hence, company creates some barriers like :- a) Brand Loyalty b) Cost Advantage c) Economies of scale d) Policies of the Government e) Developed channels of distribution
  • 17.
    2) Rivalry amongestablished companies : The companies engaged in producing & selling the same product are competing with each other. They enjoy different roles as leader, challenger, niche-players. If competitive force is strong, it is a threat. If it weak, it provides an opportunity for the established company to raise product & earn profits. EG : PEPSI & COCA-COLA. Rivalry of firms depend on 3 factors :- a) Industry Competitive Structure b) Demand Conditions c) Height of exit Barriers
  • 18.
    3) Bargaining Powerof Buyers : Buyers are viewed as competitive threat when they force down prices or ask for superior quality & better after sale services. According to Porter, buyers are more powerful in following situation :- a) When buyers are composed of small firms & their number is high and buyers are few in numbers & large in size. b) When buyers purchase goods in bulk. c) When suppliers are dependent on buyers for large orders. d) When buyers purchase raw material from several companies. e) When buyer can supply his own needs.
  • 19.
    4) Bargaining powerof suppliers : When the suppliers are able to force up the prices & the firm has to reduce the quality supplied, it is more a threat. The suppliers are more powerful in following situation :- a) When the supplier’s product have a few substitutes. b) When firms industry is not as substantial & significant. c) When supplier’s product are differentiated widely & company is dependent upon its suppliers. d) When suppliers can integrate vertically forward into industry & can do the business of buyer’s firm directly. e) When buyer is not in a position to integrate vertically backward & fails to produce raw materials at its own.
  • 20.
    5) Threats ofclose substitute : Substitute products are those products that serve similar consumer needs. There are many good substitutes developed by modern technology. The producer of juice from fruits & sold in bottles has the substitute of cold drinks. Beverages like tea can be substituted by coffee. Existence of close substitutes represents strong competitive threat that limits price fixation power of the firm. The competitive weapons used are :- a) Competing by Quality b) Competing by Cost c) Competing by Flexibility d) Competing by speed e) Competing by Location f) Competing by Technology g) Competing on HRM h) Vertical Integration I) Inventory system as Competitive Tool