1) the long run is characterized by:
a.the relevance of the law of diminishing returns.
b.at least one fixed input.
c.insufficient time for firms to enter or leave the industry.
d.the ability of the firm to change its plant size.
2) which of the following would mostly likely increase the demand for gasoline?
a.the expectation by consumers that gasoline prices will be higher in the future.
b.the expectation by consumers that gasoline prices will be lower in the future.
c.a widespread shift in car ownership from suvs to hybrid sedans.
d.a decrease in the price of public transportation.
3) The U.S. tax-transfer system (as distinct from the tax system alone) is:
A.progressive.
B.proportional.
C.bimodal.
D.regressive.
4) A profit-maximizing firm will:
A.expand employment if marginal revenue product equals marginal resource cost.
B.reduce employment if marginal revenue product equals marginal resource cost.
C.reduce employment if marginal revenue product is less than marginal resource cost.
D.expand employment if marginal revenue product is less than marginal resource cost.
5) which of the following transactions would be included in gdp?
a.mary buys a used book for $5 at a garage sale.
b.nick buys $5000 worth of stock in microsoft.
c.olivia receives a tax refund of $500.
d.peter buys a newly constructed house.