The United States and European Union differ significantly in terms of their innovative capacity: the former have been able to gain and maintain world leadership in innovation and technology while the latter continues to lag. Notwithstanding the magnitude of this innovation gap and the political...

Perfect integration eludes the real world, so we suggest a realistic benchmark standard for judging the extent of market integration in various economies. We estimate the degree of integration in the US product market, widely acknowledged to be the most integrated among geographically large...