Lipsey, Robert E. - National Bureau of Economic Research (NBER) - 2006
World trade in services has recently been a little under $US2 trillion, about a quarter of world trade in goods. That … ratio does not appear to have changed much in the last 50 years. For the US, exports of services have recently been over 40 … services are now increasing more rapidly than exports, but not faster than goods imports. Because measures of service trade are …