In an unhampered economy, monopoly is not a framework distinguishable from “pure” competition. In fact, inefficient monopolies arise only in case of government interventionism.
Twenty-first-century socialism, which has been so popular in Latin America for many years, has failed in a way that mirrors the failure of twentieth-century socialism in other parts of the world.
Since the trade balance has nothing to do as such with either the supply of money or the demand for money, we can conclude that trade balances do not determine the purchasing power of money of respective countries.