Exam 1: Microeconomics
Answers

1.       The best measure of the economic cost of doing your homework is the
a.      
best opportunity you give up when you do your homework.
b.     
amount you would have to pay to get someone else to do it.
c.      
accounting cost plus the explicit cost of doing the homework.
d.     
tuition paid for your schooling.
e.      
time it takes to do your homework.

2.       Which of the following best describes the way resources are allocated in the U.S. economy?
a.       by markets
b.     
by command
c.      
by tradition
d.     
by government
e.      
by command and government

3.       The fundamental problem of economics is
a.      
for whom to produce.
b.     
the scarcity of resources relative to human wants.
c.      
how to get government to operate efficiently.
d.     
how to create employment for everyone.
e.      
how to create wants and needs.

4.       Which of the following can change without shifting demand?
a.      
consumer income
b.     
consumer taste
c.      
the price of the good itself.
d.     
the prices of other goods.
e.      
buyer’s expectations.

5.       In a competitive market, the price of a good is determined by
a.      
only the market power of buyers.
b.     
only the market power of sellers.
c.      
the market power of the government.
d.     
the interaction of buyers and sellers.
e.      
what sellers wish to sell. 

6.       The essential signal of the market mechanism is
a.      
income.
b.     
price.
c.      
property.
d.      government directive.
e.      
money.

7.       If the price of tea increases, the probable result would be
a.      
a decrease in the demand for tea.
b.     
decreases in the prices of substitutes for tea.
c.      
increases in demand for products that are substitutes for tea.
d.     
a decrease in the supply of tea.
e.      
an increase in the demand for products that are complements for tea.

8.       A rise in the price of corn gives farmers a greater incentive to
a.      
decrease the costs of producing corn.
b.     
decrease the price of corn.
c.      
devote more acreage to corn production.
d.     
devote more acreage to wheat production.
e.      
seek government protection.

9.       If, at the present output level, price exceeds marginal cost, the purely competitive firm
a.      
is maximizing its profit or minimizing its loss.
b.     
should increase output to maximize its profit or minimize its loss.
c.      
should reduce output to maximize its profit or minimize its loss.
d.     
should increase its price to maximize its profit or minimize its loss.
e.      
should shut down.

10.   Which of the following is not an element of industry structure?
a.      
the number of sellers in the industry
b.     
the extent of barriers to entry
c.      
the existence of economic profits
d.     
the nature of the product; the degree of product differentiation
e.      
the size distribution of the firms in the industry

11.   The purpose of a pollution tax is to
a.      
force firms to internalize their external costs.
b.     
force firms to cease production.
c.      
make a product’s price more accurately reflect the true private cost of its production.
d.     
encourage polluting firms to expand output to the socially optimal level.
e.      
encourage firms to pollute.

12.   A tax is _____ if it takes a constant fraction of income as income rises.
a.      
regressive
b.     
proportional
c.      
progressive
d.     
ability-to-pay
e.      
benefits-received            

13.   When there is a surplus of output in a market
a.      
buyers desire to purchase more than is produced.
b.     
there is downward pressure on price.
c.      
the market could still be in equilibrium.
d.     
there are too many buyers chasing too few goods.
e.      
price is lower than the equilibrium price.

14.   Which of the following is least likely to be a variable cost?
a.       the cost of raw materials
b.     
the wages of production workers
c.      
insurance premiums
d.     
shipping expenses
e.      
energy costs

15.   Which of the following would most likely result in the market price of a good falling?
a.      
rising demand with falling supply
b.     
rising demand with rising supply
c.      
rising demand with unchanging supply
d.     
falling demand with falling supply
e.      
falling demand with rising supply

ANSWERS:

  1. A

  2. A

  3. B

  4. C

  5. D

  6. B

  7. C

  8. C

  9. B

  10. C

  11. A

  12. B

  13. B

  14. C

  15. E