Industry WIKI

In international economics and international political economy, the impossible trinity (also known as the trilemma, the monetary trilemma or the Unholy Trinity) is the view that it is impossible to have all three of the following at the same time:

International finance (also referred to as international monetary economics) is the branch of monetary and macroeconomic interrelations between two or more countries. International finance examines the dynamics of the global financial system, international monetary systems, balance of payments, exchange rates, foreign direct investment, and how these topics relate to international trade.