Several different approaches to international comparison of Total Factor Productivity (TFP) have now emerged. Among these are the time-series approach, the panel approach, and the cross-section approach. This paper compares methodologies of these different approaches and results that have been...

Recent research shows that productivity differences are more important than differences in accumulation rates in explaining per capita income differences across countries. So far <i>static</i> differences in productivity have been mainly computed and analyzed in large samples of countries. This paper...