Cost of Capital : Meaning, Significance, Factors affecting Cost of Capital, Types of Cost of Capital, Measurement of Cost of Capital : FINANCIAL MANAGEMENT

Cost of capital ( k ) is the minimum rate of return that a firm must earn in order to satisfy the expectations of it’s investors. In other words, It is the minimum rate of return required on the investment projects to keep the market value per share unchanged.

Significance or Importance of Cost of Capital

Significance of Cost of Capital

Significance or Importance

1. If the firms actual rate of return exceeds it’s cost of capital and if the return is earned without risk, the objective of shareholder’s wealth maximization is achieved. If the actual rate of return is higher, then the excess funds can be used in two ways :

  • It can be distributed as dividend to shareholders.
  • It can be reinvested for future returns.

2. When Cost of Capital ( k ) is used as the discount rate in capital budgeting decisions, it helps to accept only those proposals where the rate of return is more than the cost of capital.

3. Cost of Capital ( k ) helps to decide the capital structure of the firm. The firm will select only those sources which have the minimum cost. So, the overall ( k ) will be minimum.

Factors Affecting Cost Of Capital

Factors Affecting Cost of capital

Factors Affecting ( k )

1. Risk free rate of interest ( I ) : It refers to the interest rate which is earned on the risk free or default free security. For Example : Reserve Bank of India.

2. Business Risk ( b ) : It refers to the potential of an organization to earn the returns which will satisfy it’s investors.

3. Financial Risk ( f ) : When the debt is present in capital structure, earnings after paying the interests should be enough to satisfy the investors. This risk is known as Financial Risk.

4. Other Considerations / Factors ( o ) : Factors like liquidity, Timing of returns, Shareholder’s preference, etc. also affects the cost of capital.



k = I + b + f + o

where, k = Cost of Capital.

I = Risk free rate of return.

b = Business Risks.

f = Financial Risks.

o = Other Factors.

False Imprisonment : Law Of Tort Notes ( CASES INCLUDED )

Types of Cost of Capital

Types Of Cost Of Capital

Types Of ( k )

1. Specific and Overall Cost of Capital

At a particular point of time, the firm might have raised funds from various sources, i.e., short term as well as long term. But, cost of capital is the combined cost of all the funds used by a firm.

Overall cost of capital is the combined cost of all the funds being used by a firm from any source. It includes the funds following sources :

  • Debt : Cost of Debt
  • Equity share capital : cost of equity
  • Preference share capital : Cost of Preference
  • Retained Earnings : Cost of retained earnings

Funds come from a pool of sources. Specific cost of  capital is the cost of a particular sources of funds while overall cost of capital is the combined cost ,i.e., cost of all sources of funds.

2. Implicit and Explicit Cost of Capital

Implicit Cost of Capital is the cost of retained earnings expressed in terms of opportunity cost which is associated with returns foregone on retained funds .
In other words, Implicit cost of retained earnings is the return which could have been earned by the investor, had the profit been distributed to them.

Explicit Cost of capital of a particular source may be defined in terms of interest or dividend that the firm have to pay to the supplier of the funds.

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