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Chapter 29 - Rent, Interest, And Profit


Chapter 29 Key Terms McConnell and Brue 14th Edition


economic rent

The price paid for the use of land and other natural resources the supply of which is fixed (perfectly inelastic).

Incentive Function

The incentive resulting from an upwardly sloping supply curve. At high prices, there is an incentive to offer more of the resource; and at a low price there is an incentive to offer less.

Single Tax Movement

A late nineteenth century movement spearheaded by Henry George's book Progress and Poverty (1879) in which it is posited that economic rent could be taxed away without impairing the available supply of land. Because land supply is perfectly inelastic, as the population grows, landlords can charge higher and higher rents for their land. George believed that these increases in rent belonged not to the landowners, but to the economy as a whole and believed that land rents should be heavily taxed (as much as 70% to 90%) and spent on public uses. To gain support for this idea, George suggested that this tax be the only tax levied by government.

loanable funds theory of interest

The concept that the supply of and demand for loanable funds determine the equilibrium rate of interest.


pure rate of interest

An essentially risk-free long-term interest rate which is free of the influence of market imperfections.


nominal interest rate

The interest rate expressed in terms of annual amounts currently charged for interest and not adjusted for inflation.


real interest rate

The interest rate expressed in dollars of constant value (adjusted for inflation); and equal to the nominal interest rate less the expected rate of inflation.


usury laws

State laws which specify the maximum legal interest rate at which loans can be made.


explicit costs

The monetary payment a firm must make to an outsider to obtain a resource.


implicit costs

The monetary income a firm sacrifices when it uses a resource it owns rather than supplying the resource in the market; equal to what the resource could have earned in the best-paying alternative employment.


economic or pure profit

The total revenue of a firm less all its economic costs; also called “pure profit” and “above normal profit.”


normal profit

The payment made by a firm to obtain and retain entrepreneurial ability; the minimum income which entrepreneurial ability must receive to induce it to perform entrepreneurial functions for a firm.

Static Economy

An economy in which the basic forces - such as resource supplies, technological knowledge, and consumer tastes - are constant and unchanging. As a result, all cost and supply data, and all demand and revenue data, are also constant.

insurable risks

An event which would result in a loss but whose frequency of occurrence can be estimated with considerable accuracy; insurance companies are willing to sell insurance against such losses.


uninsurable risks

An event which would result in a loss and whose occurrence is uncontrollable and unpredictable; insurance companies are not willing to sell insurance against such a loss.


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