Because of free riders, a private, unregulated market would not produce the efficient quantity of a public good

If a country has a ________ exchange rate, its central bank must buy and sell its holdings of currencies to maintain a given exchange rate

A) flexible B) fixed C) floating D) all of the above

The budget constraint represents:

a. all possible consumption combinations of goods that someone can afford when all income is spent. b. a single consumption combination of goods that someone can afford when all income is spent. c. all possible consumption combinations of goods that someone can afford when disposable income is spent. d. all possible consumption combinations of goods that society can afford when all income is spent.