Monopolies and oligopolies are similar in that both owe their existence to government intervention in the marketplace

Holding a group of assets reduces risk relative to holding a single asset as long as the assets

A) are dependent on each other. B) are positively correlated. C) are uncorrelated. D) do not have precisely the same pattern of returns.

Suppose that Ruritania has a fixed exchange rate versus the U.S. dollar

If foreign investors become convinced that the Ruritanian currency is overvalued, what actions might they take to profit from this conviction? Would these actions make it easier or harder for Ruritania to maintain the value of its currency versus the dollar? Why?