Once a country has a comparative advantage in producing a product, it cannot lose that advantage

Failing to be fully informed may be efficient if information

A) is free. B) is scarce. C) is subject to increasing returns. D) has no opportunity cost of production.

One fundamental difference between New Classical and the New Keynesian macroeconomics is that the New Keynesians model firms as ________ competitive price ________

A) perfectly, setters B) perfectly, takers C) imperfectly, setters D) imperfectly, takers