c.marginal revenue is positive.
d.marginal revenue is negative.
9)
Refer to the above diagram. If a firm produces output Q1 at a unit cost of c, then the:
A.firm is operating in a purely competitive industry.
B.firm is maximizing profits.
C.marginal product per dollar’s worth of each resource employed is not the same.
D.firm is fulfilling the least-cost rule in employing resources.
10) The demand for farmland will increase if:
A.the demand for food decreases.
B.technological advances make land more productive.
C.the price of farm labor increases and the output effect exceeds the substitution effect.
D.the supply of farmland increases.
11) what is the difference between national income and personal income?
a.personal taxes.
b.national income includes income earned both at in the united states and abroad, while
personal income only includes that income earned within the borders of the united
states.
c.national income represents before-tax income, while personal income measures how
much is available for spending after all taxes have been subtracted.
d. national income represents income earned by american-owned resources, while
personal income measures received income, whether earned or unearned.