Labor productivity is an important determinant of the wealth of national economies and standards of living, as its … growth explains half of per capita GDP growth. We show that there are four worlds of productivity growth among industrialized … countries, by decomposing labor productivity growth into multifactor productivity (MFP) growth and capital deepening. The four …

1 Introduction -- 2 The Data: Productivity and Capital Differences across Countries and over Time -- 3 Two … Complementary Frameworks to Study Convergence Clubs -- 4 Convergence Clubs in Labor Productivity -- 5 Convergence Clubs in Physical … and Human Capital -- 6 Convergence Clubs in Total Factor Productivity -- 7 Accounting for Convergence Clubs -- 8 …