c. grain prices were high because land rents were low.
d. land rents were high because grain prices were low.
e. none of the above
Jim Smith made his fortune by buying and selling real estate. Which of the following
theories on the source of profits best describes the reason behind his success?
a. Uncertainty is a source of profits.
b. Profit is the reward for alertness to arbitrage opportunities.
c. Profit is the return to the entrepreneur as innovator.
d. Land is always a source of economic rent and profit.
e. If one works hard enough, one will be rewarded.
Most states have instituted mandatory seatbelt laws to reduce traffic fatalities. An
economist may point out that an unintended effect of these laws is
a. an increase in the price of automobiles, further reducing fatalities.
b. an increase in driving speed, reducing the number of accidents.
c. a decrease in driving speed, further reducing fatalities.
d. an increase in risky driving behavior, increasing fatalities.