In a typical day, the total amount of money changing hands in the world's foreign exchange markets alone is $1.5 trillion -- an eightfold increase since 1986 and an almost incomprehensible sum, equivalent to total world trade for four months.
In the paper titled International Finance and Growth in Developing Countries, a similar argument is made where the importance of international financial markets is addressed. Although the financial liberalization lead to the financial crises in 1997, today the international financial market and the global foreign exchange market has evolved to become a massive transaction hub where countries benefit off of each others imports and exports through the means of goods and services or stock investment.