Countries often have to choose between producing military or consumer goods, a trade-off economists call ____________ .

The sum of the number of employed people and the number of unemployed people equals the labor force of a country

a. True b. False Indicate whether the statement is true or false

The rule of rational choice holds that people will alter their behavior if ______.

a. expected marginal benefits outweigh expected marginal costs b. they can afford both the money costs and the non-money costs c. comparative advantages are greater than absolute advantages d. changes to their course of action are slow and incremental