Yield = income/principal * 100%. Rate of return refers to the rate of return on investment, generally expressed as an annual percentage, and calculated according to the current market price, face value, coupon rate and the time from the maturity date. For a company, the rate of return refers to the percentage of net profit to the average capital used.

As the rate of return of personal (and family) and social (government public expenditure) investment, the rate of return research can be divided into personal rate of return and social rate of return, with the former being the main concern.

The factors that determine the rate of return in market economy;

The productivity of capital goods, that is, the expected rate of return of coal mines, dams, highways, bridges, factories, machinery and inventories.

Uncertainty of capital commodity productivity.

Rate of return calculation formula:

Yield = income/principal * 100%. Rate of return refers to the rate of return on investment, generally expressed as an annual percentage, and calculated according to the current market price, face value, coupon rate and the time from the maturity date. For a company, the rate of return refers to the percentage of net profit to the average capital used.

As the rate of return of personal (and family) and social (government public expenditure) investment, the rate of return research can be divided into personal rate of return and social rate of return, with the former being the main concern.

The factors that determine the rate of return in market economy;

The productivity of capital goods, that is, the expected rate of return of coal mines, dams, highways, bridges, factories, machinery and inventories.

Uncertainty of capital commodity productivity.