In economics why may there be problems in targeting A inflation and money supply and B both inflation and the exchange rate?

The equation MV = PT.M = money supply V = velocity of money P = price level T = transactionsTherefore,P = MV / T

Central banks such as the Fed prefer that inflation remains stable over the long run. Most central banks practice flexible inflation targeting, to achieve that end. Constant inflation would deliver a...

Different countries have different rates of inflation, which are an important factor in determining exchange rates.

If Inflation takes place, our exports become expensive, while our imports become cheaper. Therefore, the price in our local economy is rising so is the value of currency, therefore appreciating...

There are many theories about the causes of inflation, but economic predictions based on those theories have not always been substantiated by ensuing developments. There are strong arguments to...