For how long does a patent give a firm the exclusive legal right to a product?

The tendency for higher government budget deficits to decrease investment is called the

A) crowding-out effect. B) deficit effect. C) Ricardo-Barro effect. D) inflation effect. E) wealth effect.

The oldest central bank, having been founded in 1694, is the

A) Bank of England. B) Deutsche Bundesbank. C) Bank of Japan. D) Federal Reserve System.