The empirical growth literature has focused on capital accumulation but largely ignored productivity growth. To address this imbalance, we propose a methodology for analyzing productivity convergence based on frontier production functions. We examine whether departures from the frontier are...

A method for analyzing productivity convergence based on frontier production functions is proposed. It is examined whether departures from the frontier - country-level inefficiencies - exhibit long-run relationships and convergence. The method is applied to 1-digit industries of 14 OECD...