China is a key player in global agricultural markets, and the number one importer of U.S. soybeans and cotton, whereby soybeans and cotton are two of the main biotech commodities commercialized in the United States. As of 2005, 87% of soybeans and 79% of cotton planted in the U.S. were biotech....

Over the last several decades, changes to production technologies have significantly increased output from the primary sector. The contribution of improved genetics has been variously estimated, and the impacts of genetic engineering have received much attention. The present research estimated...