1) Explain (within 2 sentences) why holding period return as an economic measure, does not have the same significance as current yield or yield to...

1) Explain (within 2 sentences) why holding period return as an economic measure, does not have the same significance as current yield or yield to maturity.

2) Is it possible for a country to run a trade deficit and yet have the value of its currency not change? Use a supply and demand model of a foreign exchange market to explain how this could occur? (answer within 2 to 3 sentences)