Free trade causes job losses in industries in which a country does not have a comparative advantage, but it also causes job gains in industries in which the country has a comparative advantage

An isoquant represents levels of capital and labor that

A) have constant marginal productivity. B) yield the same level of output. C) incur the same total cost. D) All of the above.

A consumer who doesn't spend all of her income

a. would be at a point outside of her budget constraint. b. would be at a point inside her budget constraint. c. must not be consuming positive quantities of all goods. d. must be consuming at a point where her budget constraint touches one of the axes.