In economic analysis marginal analysis is used to:
a. make an either-or decision.
b. determine which costs are sunk costs.
c. decide how much of something is the optimal amount.
d. convince others that the costs of a certain activity do not matter
Ans: c. decide how much of something is the optimal amount.
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The invisible hand suggests that:
A) individuals working for self-interest will eventually maximize the well-being of society. B) equilibrium in a competitive market is determined independent of demand and supply. C) government intervention is necessary to rectify market imperfections. D) the price mechanism allocates resources only to the people with high income in the country.
On Saturday morning, you rank your choices for activities in the following order: go to the library, work out at the gym, have breakfast with friends, and sleep late. Suppose you decide to go to the library. Your opportunity cost is
A) working out at the gym, having breakfast with friends, and sleeping late. B) working out at the gym. C) zero because you do not have to pay money to use the library. D) not clear because not enough information is given.