A market structure in which there is one large firm that has a major share of the market and many smaller firms supplying the remainder of the market is called:

The monetary base is equal to

A) M1. B) M2. C) currency and coins in circulation plus checkable deposits. D) the sum of coins, Federal Reserve notes, and banks' reserves at the Fed. E) the sum of coins, Federal Reserve notes, and gold at the Fed.

When the domestic currency is initially overvalued in a fixed exchange rate regime, the central bank must intervene in the foreign exchange market to ________ the domestic currency, thereby allowing the money supply to ________

A) purchase; decline B) sell; decline C) purchase; increase D) sell; increase