Feenstra, Robert C.; Lipsey, Robert E.; Deng, Haiyan; … - National Bureau of Economic Research (NBER) - 2005
.nber.org/data (International Trade Data, NBER-UN world trade data). Users must agree not to resell or distribute the data for 1984-2000. The data … are organized by the 4-digit Standard International Trade Classification, revision 2, with country codes similar to the …