Of the foreign exchange markets, Ding Kung-wha says: "In the 1960s the total value of foreign exchange transactions worldwide was six times the amount actually needed for international trade; in the 1990s, this figure has ballooned to 50 times!"
以匯市來說，丁克華指出，「一九七○年代，全球的外匯交易量，是實際進行跨國貿易需求的六倍；到一九九○年代，這個數字已暴漲為五十倍！」