This paper investigates cross-country productivity convergence at a sectoral level using multivariate unit-root tests … data. Third, when the null hypothesis of non convergence is rejected, a second test determines the number of converging … countries. Based on a sample of thirteen OECD countries our results show evidence of convergence in three out of six sectors …

approximately 71-80% of all countries face sigma-convergence. Finally, we study different major determinants of the level of ….e., the determinants of the convergence process. We find evidence for an N-shaped relationship between development and …