1) The individual firm which hires labor under competitive conditions faces a labor
supply curve which:
A.Slopes downward to the right
B.Is perfectly elastic
C.Is perfectly inelastic
D.Is of unit elasticity
2) “For whom is a given mix of goods and services to be produced? How, in other
words, are the society’s outputs to be distributed among its members?” In a market
economy, this question is resolved primarily in the:
A.Public sector through the mechanism of central planning
B.Business sector through the mechanism of advertising
C.Private sector through the earning and spending of income
D.Money market through borrowing and saving by households and businesses
3) Examples of precommitments, to deal with people’s time inconsistency problems,
include the following except:
A.Automatic payroll deductions
B.Debit card accounts
C.Early withdrawal penalties
D.Salary smoothing
4) The table shows three short-run cost schedules for three plants of different sizes that
a firm might build in the long run.
Refer to the above table. Suppose that the three plant sizes shown are the only ones
possible, then there are economies of scale in producing:
A.Up to 10 units of output, and diseconomies of scale after that
B.Up to 20 units of output, and diseconomies of scale after that
C.Up to 30 units of output, and diseconomies of scale after that
D.Up to 40 units of output, and diseconomies of scale after that