Which product will have the most elastic demand curve?

A country will gain relatively more from trade when

A) trade is regulated. B) the world price is close to the country's opportunity cost of the good. C) the world price is below the country's opportunity cost of the good. D) the world price is much greater than the country's opportunity cost for the good.

In the U.S., the share of taxes ____ during the early years of George W. Bush's presidency and ____ since then

a. decreased; increased somewhat b. decreased; further decreased c. increased; further increased d. increased; decreased somewhat e. increased; remained constant