Popular literature suggests a rapid narrowing of the technology gap between China and the U.S. based on large … (especially in sciences) in China in recent years. Little literature attempts to measure the technology gap directly using … the later reflect both differing factor endowments and technology parameters. This paper assesses changes in China …

/capita, shares in world trade and market capitalization attributable both jointly and single to China, India, and Brazil (the three … time. In contrast the North-China gap falls from 57.2 to 13.1 between 1990 and 2009, and India from 70.4 to 38.1 using … market exchange rates and from 23.4 to 5.5 for China and from 20.7 to 11.4 for India using PPP rates. We calculate the …