this imbalance, we propose a methodology for analyzing productivity convergence based on frontier production functions. We … importance of efficiency changes for economic growth. Using a sample of 26 OECD countries from 1965-90, we find convergence and …

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 … studies have found not to display convergence, shows signs of catch-up. …