1. If all the international investments of the citizens of industrialized countries (members of OECD) are added, we arrive at a total of about 35 trillion dollars. About five trillion dollars are managed by investment funds. The turnover of foreign exchange (FOREX), all over the world, is about 1.5 trillion dollars every day. The amount of 35 trillion dollars in the international system of investment is roughly the same as the GDP of all the countries in the world together.