According to the Phillips curve, a more expansionary macro-policy that causes inflation to be greater will:

In what sense is it meaningful to say that fighting poverty is a public good?

If the opportunity costs of production for two goods is different between two countries, then

A) trade cannot benefit either country. B) only one country can be made better off by trade. C) mutually beneficial trade is possible. D) trade will only benefit both countries if one can lower its opportunity costs.