The curve labeled A in the above figure is a

The current international financial system is a managed float exchange rate system because

A) exchange rates fluctuate in response to, but are not determined solely by, market forces. B) some countries keep their currencies pegged to the dollar, which is not allowed to fluctuate. C) all countries allow their exchange rates to fluctuate in response to market forces. D) all countries peg their currencies to the dollar which is allowed to fluctuate in response to market forces.

The long boom occurred in the

A) 1920s and 1930s. B) 1940s and 1950s. C) 1960s and 1970s. D) 1980s and 1990s.