This paper studies whether skilled migrants contribute to the host country's 'productive efficiency' (Farrell, 1957 … find that skilled migrants contribute positively to a country's productive efficiency with the exception of the finance …

Economic development implies that the efficiency of firms in developing countries is approaching that of firms in … privatization, competition and foreign investment. We also test hypotheses positing that only firms near the efficiency frontier … find that privatization to domestic owners did not markedly improve the efficiency of firms; domestic firms are not …

efficiency of co-ops; and on problems of democratic governance within co-ops. Using modern empirical methods applied to large …