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Home Determinants of the Level of National Income and Employment Factors on Which Marginal Efficiency of Capital depends

 

Factors on Which Marginal Efficiency of Capital Depends:

 

According to. J .M. Keynes, the volume of new investment depends on the following two factors:

 

(1) Marginal Efficiency of Capital (MEC).

 

(2) Market Rate of Interest.

 

The producer's decision as to whether or not, he should undertake a given investment project is arrived at by comparing marginal efficiency of capital (MEC) with the market rate of interest (or the cost of funds).

 

Meaning of Marginal Efficiency of Capital:

 

The marginal efficiency of capital is the expected annual rate of return on an additional unit of a capital good. It is also described as the rate of return expected to be received on money if it were invested in a newly produced asset. According to J.M. Keynes:

 

"The marginal efficiency of capital is the rate of discount which makes the present value of the prospective yield from the capital asset equal to its supply price. The marginal efficiency of capital will progressively diminish as investment in the asset increases. The marginal efficiency of capital (MEC) curve is, therefore negatively sloped".

 

Factors Affecting MEC:

 

The marginal efficiency of capital is influenced by short run as well as long run factors. These factors are now discussed in brief:

 

Short Run Factors:

 

(i) Demand for the product. It the market for a particular good is expected to grow and its costs are likely to fall, the rate of return from investment will be high. If entrepreneurs expect a fall in demand of goods and a rise in cost, the will decline.

 

(ii) Liquid assets. If the entrepreneurs are holding large volume of working capital, they can take advantage of the investment opportunities that come in their way. The MEC will be high and vice versa.

 

(iii) Sudden changes in income. The MEC is also influenced by sudden changes in income of the entrepreneurs. If the business community gets windfall profits, or there are tax concession etc., the MEC will be high and hence investment in the country will go up. On the other hand, MEC falls with the decrease in income.

 

(iv) Current rate of investment. Another factor which influences MEC is the current date of investment in a particular industry. If in a particular industry, much investment has already taken place and the rate of investment currently going on in that industry is also very large, then the marginal efficiency of capital will be low.

 

(v) Wave of optimism and pessimism. The marginal efficiency of capital is also affected by waves of optimism and pessimism in the business circle. If businessmen are optimistic about future, the MEC will be overestimated. During periods of pessimism the MEC is under estimated.

 

Long Run Factors:

 

The long run factors which influence the marginal efficiency capital are as under:

 

(i) Rate of growth of population. Marginal efficiency of capital is also influenced by the rate of growth of population. If population is growing at a rapid speed, it is usually believed that at the demand of various classes of goods will increase. So a rapid rise in the growth of population will increase the marginal efficiency of capital and  a slowing down in its rate of growth will discourage investment and thus reduce marginal efficiency of capital.

 

(ii) Technological development. If investment and  technological development take place in the industry, the prospects of increase in the net yield brightens up. For example, the development of automobiles in the 20th century has greatly stimulated the rubber industry, the steel and oil industry, etc. So we can say that inventions and technological improvements encourage investment in various projects and increase marginal efficiency of capital.

 

(iii) The quantity of capital goods of relevant types already in existence. If the quantity of any particular of goods is available in abundance in the market and the consumers can partially or full meet the demand, then it will not be advantageous to invest money in that particular project. So in such cases, the marginal efficiency of capital will be low.

 

(iv) Rate of taxes. Marginal efficiency of capital is directly influenced by the rate of taxes levied by the government on various commodities, When taxes are levied, the cost of commodities is increased and the revenue is lowered.

 

When profits are reduced, marginal efficiency of capital will naturally be affected. It will be low.

Relevant Articles:

Psychological Law of Consumption
Propensity to Consume
Determinants of the Consumption Function
Concept of Saving
Concept of Propensity to Save/Saving Function
Concept of Investment
Concept of Marginal Efficiency of Capital (MEC)
Factors on Which Marginal Efficiency of Capital Depends
Concept of Employment and Full Employment
Full Employment
 

Principles and Theories of Micro Economics
Definition and Explanation of Economics
Theory of Consumer Behavior
Indifference Curve Analysis of Consumer's Equilibrium
Theory of Demand
Theory of Supply
Elasticity of Demand
Elasticity of Supply
Equilibrium of Demand and Supply
Economic Resources
Scale of Production
Laws of Returns
Production Function
Cost Analysis
Various Revenue Concepts
Price and output Determination Under Perfect Competition
Price and Output Determination Under Monopoly
Price and Output Determination Under Monopolistic/Imperfect Competition
Theory of Factor Pricing OR Theory of Distribution
Rent
Wages
Interest
Profits
Principles and Theories of Macro Economics
National Income and Its Measurement
Principles of Public Finance
Public Revenue and Taxation
National Debt and Income Determination
Fiscal Policy
Determinants of the Level of National Income and Employment
Determination of National Income
Theories of Employment
Theory of International Trade
Balance of Payments
Commercial Policy
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Introduction to Development Economics
Features of Developing Countries
Economic Development and Economic Growth
Theories of Under Development
Theories of Economic Growth
Agriculture and Economic Development
Monetary Economics and Public Finance

History of Money
 

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