Economists have found that union workers earn about 30 to 40 percent more than similar workers who do not belong to unions

If a nation has no absolute advantage, then it

A) cannot gain from trade. B) still gains from trade. C) can only gain from trade if it raises its productivity levels. D) can only gain from trade if it produces outside its production possibilities curve.

In the extended version of the circular flow model, money flows from

a. government to households as tax payments b. foreign economies to households as payments for exports c. government to firms as payments for goods and services d. firms to foreign economies as payments for exports e. households to foreign economies as payments for resources