Free learning from The Open University www.open.edu/openlearn/money-management/money/accounting-and-finance/finance/brief-history-black-wednesday --- The Impossible Trinity or 'trilemma' suggests that it is impossible for a country to maintain a fixed exchange rate, free capital movement and an independent monetary policy at one and the same time. (Part 5 of 6) Playlist link - www.youtube.com/playlist?list=PLhQpDGfX5e7DDGEQvLonjDQsbclAF2N-t --- Study economics with the OU www3.open.ac.uk/study/undergraduate/course/social-sciences/economics/index.htm ---