Tag: Pricing Strategies

Demand theory is a principle relating to the relationship between consumer demand for goods and services and their prices. Demand theory forms the basis for the demand curve, which relates consumer desire to the amount of goods available. As more of a good or service is available, demand drops and so does the equilibrium price.

Demand is the quantity of a good or service that consumers are willing and able to buy at a given price in a given time period. People demand goods and services in an economy to satisfy their wants, such as food, healthcare, clothing, entertainment, shelter, etc. The demand for a product at a certain price reflects the satisfaction that an individual expects from consuming the product. This level of satisfaction is referred to as utility and it differs from consumer to consumer. The demand for a good or service depends on two factors:

(1) Its utility to satisfy a want or need.

(2) The consumer’s ability to pay for the good or service. In effect, real demand is when the readiness to satisfy a want is backed up by the individual’s ability and willingness to pay.

Built into demand are factors such as consumer preferences, tastes, choices, etc. Evaluating demand in an economy is, therefore, one of the most important decision-making variables that a business must analyze if it is to survive and grow in a competitive market. The market system is governed by the laws of supply and demand, which determine the prices of goods and services. When supply equals demand, prices are said to be in a state of equilibrium. When demand is higher than supply, prices increase to reflect scarcity. Conversely, when demand is lower than supply, prices fall due to the surplus.

The law of demand introduces an inverse relationship between price and demand for a good or service. It simply states that as the price of a commodity increases, demand decreases, provided other factors remain constant. Also, as the price decreases, demand increases. This relationship can be illustrated graphically using a tool known as the demand curve.

The demand curve has a negative slope as it charts downward from left to right to reflect the inverse relationship between the price of an item and the quantity demanded over a period of time. An expansion or contraction of demand occurs as a result of the income effect or substitution effect. When the price of a commodity falls, an individual can get the same level of satisfaction for less expenditure, provided it’s a normal good. In this case, the consumer can purchase more of the goods on a given budget. This is the income effect. The substitution effect is observed when consumers switch from more costly goods to substitutes that have fallen in price. As more people buy the good with the lower price, demand increases.

Sometimes, consumers buy more or less of a good or service due to factors other than price. This is referred to as a change in demand. A change in demand refers to a shift in the demand curve to the right or left following a change in consumers’ preferences, taste, income, etc. For example, a consumer who receives an income raise at work will have more disposable income to spend on goods in the markets, regardless of whether prices fall, leading to a shift to the right of the demand curve.

The law of demand is violated when dealing with Giffen or inferior goods. Giffen goods are inferior goods that people consume more of as prices rise, and vice versa. Since a Giffen good does not have easily available substitutes, the income effect dominates the substitution effect.

Demand theory is one of the core theories of microeconomics. It aims to answer basic questions about how badly people want things, and how demand is impacted by income levels and satisfaction (utility). Based on the perceived utility of goods and services by consumers, companies adjust the supply available and the prices charged.

Law of Demand

The law of demand is one of the most fundamental concepts in economics. It works with the law of supply to explain how market economies allocate resources and determine the prices of goods and services that we observe in everyday transactions. The law of demand states that quantity purchased varies inversely with price. In other words, the higher the price, the lower the quantity demanded. This occurs because of diminishing marginal utility. That is, consumers use the first units of an economic good they purchase to serve their most urgent needs first, and use each additional unit of the good to serve successively lower valued ends.

• The law of demand is a fundamental principle of economics which states that at a higher price consumers will demand a lower quantity of a good.
• Demand is derived from the law of diminishing marginal utility, the fact that consumers use economic goods to satisfy their most urgent needs first.
• A market demand curve expresses the sum of quantity demanded at each price across all consumers in the market.
• Changes in price can be reflected in movement along a demand curve, but do not by themselves increase or decrease demand.
• The shape and magnitude of demand shifts in response to changes in consumer preferences, incomes, or related economic goods, NOT to changes in price.

Understanding the Law of Demand

Economics involves the study of how people use limited means to satisfy unlimited wants. The law of demand focuses on those unlimited wants. Naturally, people prioritize more urgent wants and needs over less urgent ones in their economic behavior, and this carries over into how people choose among the limited means available to them. For any economic good, the first unit of that good that a consumer gets their hands on will tend to be put to use to satisfy the most urgent need the consumer has that that good can satisfy.

For example, consider a castaway on a desert island who obtains a six pack of bottled, fresh water washed up on shore. The first bottle will be used to satisfy the castaway’s most urgently felt need, most likely drinking water to avoid dying of thirst. The second bottle might be used for bathing to stave off disease, an urgent but less immediate need. The third bottle could be used for a less urgent need such as boiling some fish to have a hot meal, and on down to the last bottle, which the castaway uses for a relatively low priority like watering a small potted plant to keep him company on the island.

In our example, because each additional bottle of water is used for a successively less highly valued want or need by our castaway, we can say that the castaway values each additional bottle less than the one before. Similarly, when consumers purchase goods on the market each additional unit of any given good or service that they buy will be put to a less valued use than the one before, so we can say that they value each additional unit less and less. Because they value each additional unit of the good less, they are willing to pay less for it. So the more units of a good consumers buy, the less they are willing to pay in terms of the price.

By adding up all the units of a good that consumers are willing to buy at any given price we can describe a market demand curve, which is always downward-sloping, like the one shown in the chart below. Each point on the curve (A, B, C) reflects the quantity demanded (Q) at a given price (P). At point A, for example, the quantity demanded is low (Q1) and the price is high (P1). At higher prices, consumers demand less of the good, and at lower prices, they demand more.

Factors Affecting Demand

The shape and position of the demand curve can be impacted by several factors. Rising incomes tend to increase demand for normal economic goods, as people are willing to spend more. The availability of close substitute products that compete with a given economic good will tend to reduce demand for that good, since they can satisfy the same kinds of consumer wants and needs. Conversely, the availability of closely complementary goods will tend to increase demand for an economic good, because the use of two goods together can be even more valuable to consumers than using them separately, like peanut butter and jelly. Other factors such as future expectations, changes in background environmental conditions, or change in the actual or perceived quality of a good can change the demand curve, because they alter the pattern of consumer preferences for how the good can be used and how urgently it is needed.

Demand theory objectives

(1) Forecasting sales,

(2) Ma­nipulating demand,

(3) Appraising salesmen’s performance for setting their sales quotas, and

(4) Watching the trend of the company’s competi­tive position.

Of these the first two are most im­portant and the last two are ancillary to the main economic problem of planning for profit.

1. Forecasting Demand:

Forecasting refers to predicting the future level of sales on the basis of current and past trends. This is perhaps the most important use of demand stud­ies. True, sales forecast is the foundation for plan­ning all phases of the company’s operations. There­fore, purchasing and capital budget (expenditure) programmes are all based on the sales forecast.

2. Manipulating Demand:

Sales forecasting is most passive. Very few com­panies take full advantage of it as a technique for formulating business plans and policies. However, “management must recognize the degree to which sales are a result only of the external economic environment but also of the action of the company itself.

Sales volumes do differ, “depending upon how much money is spent on advertising, what price policy is adopted, what product improve­ments are made, how accurately salesmen and sales efforts are matched with potential sales in the various territories, and so forth”.

Often advertising is intended to change consumer tastes in a manner favourable to the advertiser’s product. The efforts of so-called ‘hidden persuaders’ are directed to ma­nipulate people’s ‘true’ wants. Thus sales forecasts should be used for estimating the consequences of other plans for adjusting prices, promotion and/or products.

Importance of Demand Analysis:

A business manager must have a background knowledge of demand because all other business de­cisions are largely based on it. For example, the amount of money to be spent on advertising and sales promotion, the number of sales-persons to be hired (or employed), the optimum size of the plant to be set up, and a host of other strategic business decisions largely depend on the level of demand.

Why should a business firm invest time, effort and money to produce colour TV sets in a poor country like Chad or Burma, unless there is sufficient de­mand for it? A firm must be able to describe the fac­tors that cause households, governments or business firms to desire a particular product like a type­writer. It is in this context that an understanding of the theory of demand is really helpful to the practicing manager.

Demand theory is undoubtedly one of the man­ager’s essential tools in business planning both short run and long run. The objective of corporate planning is to identify new areas of investment.

In a dynamic world characterised by changes in tastes and preferences of buyers, technological change, migration of people from rural to urban areas, and so on, it is of paramount importance for the business manager to take into account prospective growth of demand in various market areas before taking any decision on new plant location (i.e., the place of birth decision of a business firm).

If demand is ex­pected to be stable, big sized plant may have to be set up. However, if demand is expected to fluctu­ate, flexible plants (possibly with lower average costs at the most likely rate of output) may be de­sirable.

A huge amount of capital may be required to carry inventories of finished goods. If demand is really responsive to advertising, there may be a strong rationale for heavy outlay on market devel­opment and sales promotion.

Demand considerations may directly and indi­rectly affect day-to-day financial, production and marketing decisions of the firm. Demand (sales) forecasts do provide some basis for projecting cash flows and net incomes periodically. Moreover, ex­pectations regarding the demand for a product do affect production scheduling and inventory plan­ning.

Again a business firm must take into account the probable reactions of rivals and buyers actu­al and potential before introducing changes in prices, advertising or product design. Therefore, for all these reasons, business managers can and should make good use of the various concepts and tech­niques of demand theory.

Co-operative Organization is an association of persons, usually of limited means, who have vol­untarily joined together to achieve a common eco­nomic end through the formation of a democrati­cally controlled organization, making equitable dis­tributions to the capital required, and accepting a fair share of risk and benefits of the undertaking.

The word ‘co-operation’ stands for the idea of living together and working together. Cooperation is a form of business organization the only sys­tem of voluntary organization suitable for poorer people. It is an organization wherein persons vol­untarily associate together as human beings on a basis of equality, for the promotion of economic in­terests of themselves.

Characteristics/Features of Cooperative Organization:

1. Voluntary Association

A cooperative so­ciety is a voluntary association of persons and not of capital. Any person can join a cooperative soci­ety of his free will and can leave it at any time. When he leaves, he can withdraw his capital from the so­ciety. He cannot transfer his share to another person.

The voluntary character of the cooperative as­sociation has two implications:

(i) None will be denied the right to become a member and

(ii) The cooperative society will not compete anybody to become a member.

2. Spirit of Cooperation

The spirit of coop­eration works under the motto, ‘each for all and all for each.’ This means that every member of a co­operative organization shall work in the general interest of the organization as a whole and not for his self-interest. Under cooperation, service is of supreme importance and self-interest is of second­ary importance.

3. Democratic Management

An individual member is considered not as a capitalist but as a human being and under cooperation, economic equality is fully ensured by a general rule—one man one vote. Whether one contributes 50 rupees or 100 rupees as share capital, all enjoy equal rights and equal duties. A person having only one share can even become the president of cooperative society.

4. Capital

Capital of a cooperative society is raised from members through share capital. Coop­eratives are formed by relatively poorer sections of society; share capital is usually very limited. Since it is a part of govt. policy to encourage coopera­tives, a cooperative society can increase its capital by taking loans from the State and Central Coop­erative Banks.

5. Fixed Return on Capital

In a cooperative organization, we do not have the dividend hunting element. In a consumers’ cooperative store, return on capital is fixed and it is usually not more than 12 p.c. per annum. The surplus profits are distrib­uted in the form of bonus but it is directly connected with the amount of purchases by the member in one year.

6. Cash Sale

In a cooperative organization “cash and carry system” is a universal feature. In the absence of adequate capital, grant of credit is not possible. Cash sales also avoided risk of loss due to bad debts and it could also encourage the habit of thrift among the members.

7. Moral Emphasis

A cooperative organization generally originates in the poorer section of population; hence more emphasis is laid on the de­velopment of moral character of the individual member. The absence of capital is compensated by honesty, integrity and loyalty. Under cooperation, honesty is regarded as the best security. Thus co­operation prepares a band of honest and selfless workers for the good of humanity.

8. Corporate Status

A cooperative associa­tion has to be registered under the separate legisla­tion—Cooperative Societies Act. Every society must have at least 10 members. Registration is desirable. It gives a separate legal status to all cooperative organizations just like a company. It also gives ex­emptions and privileges under the Act.

Types of Cooperatives Company:

1. Cooperative Credit Societies

Cooperative Credit Societies are voluntary associations of peo­ple with moderate means formed with the object of extending short-term financial accommodation to them and developing the habit of thrift among them.

Germany is the birth place of credit coopera­tion. Credit cooperation was born in the middle of the 19th century. Rural credit cooperative societies were started in the villages to solve the problem of agricultural finance.

The village societies were fed­erated into central cooperative banks and central cooperative banks federated into the apex of state cooperative banks. Thus rural cooperative finance has a federal structure like a pyramid. The primary society is the base. The central bank in the middle and the apex bank in the top of the structure. The members of the primary society are villagers.

In the similar manner urban cooperative credit societies were started in India. These urban coop­erative banks look after the financial needs of arti­sans and labour population of the towns. These urban cooperative banks are based on limited li­ability while the village cooperative societies are based on unlimited liability.

National Bank for Agriculture and Rural De­velopment (NABARD) has been established with an Authorised Capital of Rs. 500 crores. It will act as an Apex Agricultural Bank for disbursement of agricultural credit and for implementation of the programme of integrated rural development. It is jointly owned by the Central Govt. and the Reserve Bank of India.

2. Consumers’ Cooperative Societies

28 Rochedale Pioneers in Manchester in UK laid the foundation for the Consumers’ Cooperative Move­ment in 1844 and paved the way for a peaceful revo­lution. The Rochedale Pioneers who were mainly weavers, set an example by collective purchasing and distribution of consumer goods at bazar rates and for cash price and by declaration of bonus at the end of the year on the purchase made.

Their example has brought a revolution in the purchase and sale of consumer goods by eliminating profit motive and introducing in its place service motive. In India, consumers’ cooperatives have re­ceived impetus from the govt, attempts to check rise in prices of consumer goods.

3. Producers’ Cooperatives

It is said that the birth of Producers’ Cooperatives took place in France in the middle of 19th century. But it did not make satisfactory progress.

Producers’ Cooperatives, also known as indus­trial cooperatives, are voluntary associations of small producers formed with the object of elimi­nating the capitalist class from the system of in­dustrial production. These societies produce goods for meeting the requirements of consumers. Some­times their production may be sold to outsiders at a profit.

There are two types of producers’ cooperatives. In the first type, producer-members produce indi­vidually and not as employees of the society. The society supplies raw materials, chemicals, tools and equipment’s to the members. The members are sup­posed to sell their individual products to the soci­ety.

In the second type of such societies, the member-producers are treated as employees of the soci­ety and are paid wages for their work.

4. Housing Cooperatives

Housing coopera­tives are formed by persons who are interested in making houses of their own. Such societies are formed mostly in urban areas. Through these soci­eties persons who want to have their own houses secure financial assistance.

5. Cooperative Farming Societies

The coop­erative farming societies are basically agricultural cooperatives formed for the purpose of achieving the benefits of large scale farming and maximizing agricultural output. Such societies are encouraged in India to overcome the difficulties of subdivision and fragmentation of holdings in the country.

Advantages of Cooperatives Company:

• Economical Operations:

The operation of a cooperative society is quite economical due to elimination of middlemen and the voluntary services provided by its members.

• Open Membership:

Membership in a cooperative organisation is open to all people having a common interest. A person can become a member at any time he likes and can leave the society at any time by returning his shares, without affecting its continuity.

• Easy to Form:

A cooperative society is a voluntary association and may be formed with a minimum of ten adult members. Its registration is very simple and can be done without much legal formalities.

• Democratic Management:

A cooperative society is managed in a democratic manner. It is based on the principle of ‘one man one vote’. All members have equal rights and can have a voice in its management.

• Limited Liability:

The liability of the members of a co-operative society is limited to the extent of capital contributed by them. They do not have to bear personal liability for the debts of the society.

• Government Patronage:

Government gives all kinds of help to co-operatives, such as loans at lower rates of interest and relief in taxation.

• Low Management Cost:

Some of the expenses of the management are saved by the voluntary services rendered by the members. They take active interest in the working of the society. So, the society is not required to spend large amount on managerial personnel.

• Stability:

A co-operative society has a separate legal existence. It is not affected by the death, insolvency, lunacy or permanent incapacity of any of its members. It has a fairly stable life and continues to exist for a long period.

• Mutual Co-Operation:

Cooperative societies promote the spirit of mutual understanding, self-help and self-government. They save weaker sections of the society from exploitation by the rich. The underlying principle of co-operation is “self-help through mutual help.”

• Economic Advantages:

Cooperative societies provide loans for productive purposes and financial assistance to farmers and other lower income earning people.

• Other Benefits:

Cooperative societies are exempted from paying registration fees and stamp duties in some states. These societies have priority over other creditors in realising its dues from the debtors and their shares cannot be decreed for the realisation of debts.

• No Speculation:

The share is always open to new members. The shares of co­operative society are not sold at the rates higher than their par values. Hence, it is free from evils of speculation in share values.

Disadvantages of Cooperatives Company:

• Over reliance on Government funds

Co-operative societies are not able to raise their own resources. Their sources of financing are limited and they depend on government funds. The funding and the amount of funds that would be released by the government are uncertain. Therefore, co-operatives are not able to plan their activities in the right manner.

• Limited funds

Co-operative societies have limited membership and are promoted by the weaker sections. The membership fees collected is low. Therefore, the funds available with the co-operatives are limited. The principle of one-man one-vote and limited dividends also reduce the enthusiasm of members. They cannot expand their activities beyond a particular level because of the limited financial resources.

• Benefit to Rural rich

Co-operatives have benefited the rural rich and not the rural poor. The rich people elect themselves to the managing committee and manage the affairs of the co-operatives for their own benefit.

The agricultural produce of the small farmers is just sufficient to fulfill the needs of their family. They do not have any surplus to market. The rich farmers with vast tracts of land, produce in surplus quantities and the services of co-operatives such as processing, grading, correct weighment and fair prices actually benefit them.

• Imposed by Government

In the Western countries, co-operative societies were voluntarily started by the weaker sections. The objective is to improve their economic status and protect themselves from exploitation by businessmen. But in India, the co-operative movement was initiated and established by the government. Wide participation of people is lacking. Therefore, the benefit of the co-operatives has still not reached many poorer sections.

• Lack of Managerial skills

Co-operative societies are managed by the managing committee elected by its members. The members of the managing committee may not have the required qualification, skill or experience. Since it has limited financial resources, its ability to compensate its employees is also limited. Therefore, it cannot employ the best talent.

• Inadequate Rural Credit

Co-operative societies give loans only for productive purposes and not for personal or family expenses. Therefore, the rural poor continue to depend on the money lenders for meeting expenses of marriage, medical care, social commitments etc. Co-operatives have not been successful in freeing the rural poor from the clutches of the money lenders.

• Government regulation

Co-operative societies are subject to excessive government regulation which affects their autonomy and flexibility. Adhering to various regulations takes up much of the management’s time and effort.

• Misuse of funds

If the members of the managing committee are corrupt, they can swindle the funds of the co-operative society. Many cooperative societies have faced financial troubles and closed down because of corruption and misuse of funds.

• Inefficiencies leading to losses

Co-operative societies operate with limited financial resources. Therefore, they cannot recruit the best talent, acquire latest technology or adopt modern management practices. They operate in the traditional mold which may not be suitable in the modern business environment and therefore suffer losses.

• Lack of Secrecy

Maintenance of business secrets is the key for the competitiveness of any business organization. But business secrets cannot be maintained in cooperatives because all members are aware of the activities of the enterprise. Further, reports and accounts have to be submitted to the Registrar of Co-operative Societies. Therefore, information relating to activities, revenues, members etc becomes public knowledge.

• Conflicts among members

Cooperative societies are based on the principles of co-operation and therefore harmony among members is important. But in practice, there might be internal politics, differences of opinions, quarrels etc. among members which may lead to disputes. Such disputes affect the functioning of the co-operative societies.

• Limited scope

Co-operative societies cannot be introduced in all industries. Their scope is limited to only certain areas of enterprise. Since the funds available are limited they cannot undertake large scale operations and is not suitable in industries requiring large investments.

• Lack of Accountability

Since the management is taken care of by the managing committee, no individual can be made accountable for in efficient performance. There is a tendency to shift responsibility among the members of the managing committee.

• Lack of Motivation

Members lack motivation to put in their whole hearted efforts for the success of the enterprise. It is because there is very little link between effort and reward. Co-operative societies distribute their surplus equitably to all members and not based on the efforts of members. Further there are legal restrictions regarding dividend and bonus that can be distributed to members.

• Low public confidence

Public confidence in the co-operative societies is low. The reason is, in many of the co-operatives there is political interference and domination. The members of the ruling party dictate terms and therefore the purpose for which cooperatives are formed is lost.

Production is the process of creating goods and services by utilizing various resources. It involves combining inputs such as labor, capital, raw materials, and entrepreneurship to produce output that satisfies human wants and needs. The goal of production is to maximize efficiency, minimize costs, and generate value, contributing to economic growth and development. It is a key concept in economics as it drives the creation of wealth and the distribution of goods in a society.

Factors of Production:

• Land:

Refers to all natural resources used in the production process, including raw materials like water, minerals, forests, and agricultural land. It is the base for extracting resources that are essential for creating goods and services.

• Labour:

The human effort, both physical and mental, applied in the production process. Labor includes workers at all skill levels, from manual laborers to highly skilled professionals, and their efforts are rewarded in the form of wages or salaries.

• Capital:

The tools, machinery, buildings, and technology used in the production of goods and services. Capital enhances the efficiency of labor and helps increase productivity, which in turn contributes to economic growth.

• Entrepreneurship:

The ability to organize the other factors of production and take on the risks associated with starting and running a business. Entrepreneurs innovate, create new products, and take the initiative to bring together resources for production.

• Knowledge:

Refers to technical know-how, expertise, and skills that influence the efficiency of production. This includes education, training, and research that enhance the ability to optimize the use of other factors of production.

• Technology:

The tools, systems, and methods used to improve production efficiency and the quality of output. Technological advancements often lead to cost reductions, higher productivity, and the creation of new products or services.

Production Function

Production Function is an economic concept that describes the relationship between the inputs used in production and the resulting output. It shows how different combinations of labor, capital, and other factors of production contribute to the production of goods or services. The production function helps in understanding the efficiency of resource utilization, and how changes in the quantity of inputs affect the level of output. It is often expressed as an equation or graph, representing the technological relationship in production.

Mathematically, such a basic relationship between inputs and outputs may be expressed as:

Q = f( L, C, N )

Where

Q = Quantity of output

L = Labour

C = Capital

N = Land.

Hence, the level of output (Q), depends on the quantities of different inputs (L, C, N) available to the firm. In the simplest case, where there are only two inputs, labour (L) and capital (C) and one output (Q), the production function becomes.

Q = f(L, C)

“The production function is a technical or engineering relation between input and output. As long as the natural laws of technology remain unchanged, the production function remains unchanged.” Prof. L.R. Klein

“Production function is the relationship between inputs of productive services per unit of time and outputs of product per unit of time.” Prof. George J. Stigler

“The relationship between inputs and outputs is summarized in what is called the production function. This is a technological relation showing for a given state of technological knowledge how much can be produced with given amounts of inputs.” Prof. Richard J. Lipsey

Thus, from the above definitions, we can conclude that production function shows for a given state of technological knowledge, the relation between physical quantities of inputs and outputs achieved per period of time.

Features of Production Function

Following are the main features of production function:

1. Substitutability

The factors of production or inputs are substitutes of one another which make it possible to vary the total output by changing the quantity of one or a few inputs, while the quantities of all other inputs are held constant. It is the substitutability of the factors of production that gives rise to the laws of variable proportions.

2. Complementarity

The factors of production are also complementary to one another, that is, the two or more inputs are to be used together as nothing will be produced if the quantity of either of the inputs used in the production process is zero.

The principles of returns to scale is another manifestation of complementarity of inputs as it reveals that the quantity of all inputs are to be increased simultaneously in order to attain a higher scale of total output.

3. Specificity

It reveals that the inputs are specific to the production of a particular product. Machines and equipment’s, specialized workers and raw materials are a few examples of the specificity of factors of production. The specificity may not be complete as factors may be used for production of other commodities too. This reveals that in the production process none of the factors can be ignored and in some cases ignorance to even slightest extent is not possible if the factors are perfectly specific.

Production involves time; hence, the way the inputs are combined is determined to a large extent by the time period under consideration. The greater the time period, the greater the freedom the producer has to vary the quantities of various inputs used in the production process.

In the production function, variation in total output by varying the quantities of all inputs is possible only in the long run whereas the variation in total output by varying the quantity of single input may be possible even in the short run.

Time Period and Production Functions

The production function is differently defined in the short run and in the long run. This distinction is extremely relevant in microeconomics. The distinction is based on the nature of factor inputs.

Those inputs that vary directly with the output are called variable factors. These are the factors that can be changed. Variable factors exist in both, the short run and the long run. Examples of variable factors include daily-wage labour, raw materials, etc.

On the other hand, those factors that cannot be varied or changed as the output changes are called fixed factors. These factors are normally characteristic of the short run or short period of time only. Fixed factors do not exist in the long run.

Consequently, we can define two production functions: short-run and long-run. The short-run production function defines the relationship between one variable factor (keeping all other factors fixed) and the output. The law of returns to a factor explains such a production function.

For example, consider that a firm has 20 units of labour and 6 acres of land and it initially uses one unit of labour only (variable factor) on its land (fixed factor). So, the land-labour ratio is 6:1. Now, if the firm chooses to employ 2 units of labour, then the land-labour ratio becomes 3:1 (6:2).

The long-run production function is different in concept from the short run production function. Here, all factors are varied in the same proportion. The law that is used to explain this is called the law of returns to scale. It measures by how much proportion the output changes when inputs are changed proportionately.

Types of Production Function:

1. Short-Run Production Function

In the short run, at least one input is fixed (usually capital), while other inputs (like labor) are variable. The short-run production function examines how changes in variable inputs affect output, keeping the fixed input constant.

Key Features:

• Focuses on the law of variable proportions (diminishing marginal returns).
• Output increases initially at an increasing rate, then at a decreasing rate, and eventually may decline.

Example:

A factory with fixed machinery (capital) adds more workers (labor). Initially, productivity increases, but as workers crowd the factory, additional output diminishes.

2. Long-Run Production Function

In the long run, all inputs are variable, allowing firms to adjust labor, capital, and other resources fully. The long-run production function focuses on the optimal combination of inputs to achieve maximum efficiency and output.

Key Features:

• Examines returns to scale:
  • Increasing Returns to Scale: Doubling inputs results in more than double the output.
  • Constant Returns to Scale: Doubling inputs results in a proportional doubling of output.
  • Decreasing Returns to Scale: Doubling inputs results in less than double the output.
• Useful for long-term planning and investment decisions.

3. Cobb-Douglas Production Function

A mathematical representation of the relationship between two or more inputs (e.g., labor and capital) and output. It is commonly expressed as:

Q = A*L^α*K^β*

Where:

• Q: Total output
• L: Labor input
• K: Capital input
• α,β: Elasticities of output with respect to labor and capital
• A: Total factor productivity

Key Features:

• Demonstrates the contribution of labor and capital to output.
• Widely used in economics for empirical studies and forecasting.

4. Fixed Proportions Production Function (Leontief Production Function)

In this type, inputs are used in fixed proportions to produce output. Increasing one input without proportionately increasing the other does not lead to higher output.

Example:

A car requires one engine and four tires. Adding more engines without increasing the number of tires will not produce more cars.

5. Variable Proportions Production Function

Inputs can be substituted for one another in varying proportions while producing the same level of output.

Example:

A firm can use either more machines and less labor or more labor and fewer machines to produce the same output.

6. Isoquant Production Function

An isoquant represents all possible combinations of two inputs (e.g., labor and capital) that produce the same level of output. The isoquant approach analyzes how inputs can be substituted while maintaining output levels.

Key Features:

• Focuses on input substitution.
• Helps determine the least-cost combination of inputs for a given output.

Elasticity of Demand refers to the responsiveness of the quantity demanded of a good or service to changes in its price. It measures how much the demand for a product changes when there is a change in its price. If demand changes significantly with a small price change, the demand is considered elastic. If the demand changes little or not at all, it is inelastic. The elasticity of demand is calculated as the percentage change in quantity demanded divided by the percentage change in price. This concept helps businesses and economists understand consumer behavior and pricing strategies.

Types of Elasticity:

Distinction may be made between Price Elasticity, Income Elasticity and Cross Elasticity. Price Elasticity is the responsiveness of demand to change in price; income elasticity means a change in demand in response to a change in the consumer’s income; and cross elasticity means a change in the demand for a commodity owing to change in the price of another commodity.

(a) Infinite or Perfect Elasticity of Demand

Let as first take one extreme case of elasticity of demand, viz., when it is infinite or perfect. Elasticity of demand is infinity when even a negligible fall in the price of the commodity leads to an infinite extension in the demand for it. In Fig. 1 the horizontal straight line DD’ shows infinite elasticity of demand. Even when the price remains the same, the demand goes on changing.

(b) Perfectly Inelastic Demand

The other extreme limit is when demand is perfectly inelastic. It means that howsoever great the rise or fall in the price of the commodity in question, its demand remains absolutely unchanged. In Fig. 2, the vertical line DD’ shows a perfectly inelastic demand. In other words, in this case elasticity of demand is zero. No amount of change in price induces a change in demand.

In the real world, there is no commodity the demand for which may be absolutely inelastic, i.e., changes in its price will fail to bring about any change at all in the demand for it. Some extension/contraction is bound to occur that is why economists say that elasticity of demand is a matter of degree only. In the same manner, there are few commodities in whose case the demand is perfectly elastic. Thus, in real life, the elasticity of demand of most goods and services lies between the two limits given above, viz., infinity and zero. Some have highly elastic demand while others have less elastic demand.

(c) Very Elastic Demand

Demand is said to be very elastic when even a small change in the price of a commodity leads to a considerable extension/con­traction of the amount demanded of it. In Fig. 3, DD’ curve illustrates such a demand. As a result of change of T in the price, the quantity demanded extends/contracts by MM’, which clearly is comparatively a large change in demand.

(d) Less Elastic Demand

When even a substantial change in price brings only a small extension/contraction in demand, it is said to be less elastic. In Fig. 4, DD’ shows less elastic demand. A fall of NN’ in price extends demand by MM’ only, which is very small.

Significance of Elasticity of Demand

1. Determination of Output Level

For making production profitable, it is essential that the quantity of goods and services should be produced corresponding to the demand for that product. Since the changes in demand are due to the change in price, the knowledge of elasticity of demand is necessary for determining the output level.

2. Determination of Price

The elasticity of demand for a product is the basis of its price determination. The ratio in which the demand for a product will fall with the rise in its price and vice versa can be known with the knowledge of elasticity of demand.

If the demand for a product is inelastic, the producer can charge high price for it, whereas for an elastic demand product he will charge low price. Thus, the knowledge of elasticity of demand is essential for management in order to earn maximum profit.

3. Price Discrimination by Monopolist

Under monopoly discrimination the problem of pricing the same commodity in two different markets also depends on the elasticity of demand in each market. In the market with elastic demand for his commodity, the discriminating monopolist fixes a low price and in the market with less elastic demand, he charges a high price.

4. Price Determination of Factors of Production

The concept of elasticity for demand is of great importance for determining prices of various factors of production. Factors of production are paid according to their elasticity of demand. In other words, if the demand of a factor is inelastic, its price will be high and if it is elastic, its price will be low.

5. Demand Forecasting

The elasticity of demand is the basis of demand forecasting. The knowledge of income elasticity is essential for demand forecasting of producible goods in future. Long- term production planning and management depend more on the income elasticity because management can know the effect of changing income levels on the demand for his product.

6. Dumping

A firm enters foreign markets for dumping his product on the basis of elasticity of demand to face foreign competition.

7. Determination of Prices of Joint Products

The concept of the elasticity of demand is of much use in the pricing of joint products, like wool and mutton, wheat and straw, cotton and cotton seeds, etc. In such cases, separate cost of production of each product is not known.

Therefore, the price of each is fixed on the basis of its elasticity of demand. That is why products like wool, wheat and cotton having an inelastic demand are priced very high as compared to their byproducts like mutton, straw and cotton seeds which have an elastic demand.

8. Determination of Government Policies

The knowledge of elasticity of demand is also helpful for the government in determining its policies. Before imposing statutory price control on a product, the government must consider the elasticity of demand for that product.

The government decision to declare public utilities those industries whose products have inelastic demand and are in danger of being controlled by monopolist interests depends upon the elasticity of demand for their products.

9. Helpful in Adopting the Policy of Protection

The government considers the elasticity of demand of the products of those industries which apply for the grant of a subsidy or protection. Subsidy or protection is given to only those industries whose products have an elastic demand. As a consequence, they are unable to face foreign competition unless their prices are lowered through sub­sidy or by raising the prices of imported goods by imposing heavy duties on them.

10. Determination of Gains from International Trade

The gains from international trade depend, among others, on the elasticity of demand. A country will gain from international trade if it exports goods with less elasticity of demand and import those goods for which its demand is elastic.

In the first case, it will be in a position to charge a high price for its products and in the latter case it will be paying less for the goods obtained from the other country. Thus, it gains both ways and shall be able to increase the volume of its exports and imports.