Which of the following are not included as a component of national income?
a. Corporate profits
b. Compensation of employees
c. Net interest income
d. Capital gains and capital losses
D
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Why does a firm in perfect competition produce the quantity at which marginal cost equals price?
What will be an ideal response?
Negative externalities are costs incurred by: i. buyers ii. sellers iii. someone other than buyers or sellers
a. (i) only b. (ii) only c. (iii) only d. both (i) and (ii)
If the MPP of labor is positive, the total revenue will grow with each additional worker hired. Yet firms stop hiring before MPP reaches zero because
a. the firm's physical capacity (factory) is limited, that is, the firm's ability to hire is limited by space b. there isn't a sufficient supply of workers at the wage rate paid by the firm c. the wage rate would have to increase, which reduces MPP d. they maximize their gains from hiring at MRP = wage rate and that does not occur at MPP = zero e. marginal revenue product will become negative before MPP does
If the supply curve of a commodity is upward sloping, and the producing country begins to export more in a pure free trade system, the domestic price of the commodity will
a. fall. b. rise. c. exceed the price in foreign countries. d. be below the price in foreign countries.