sensitivity of estimated treatment effects with respect to unobserved heterogeneity or failure of the common support condition …

method to investigate the sensitivity issue under the unconfoundedness assumption. We find that the estimates are not … speciously robust in the sense that the treatment effects are consistently overestimated or underestimated. Sensitivity checks …

explained by growth in the use of factor inputs. We also find that median technical efficiency declined in all but one of the … industries between the two years, and change in technical efficiency explains a very small proportion in the change in gross …

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 …

that never yield an efficient allocation. Moreover, our results extend the efficiency of auction mechanisms to an …

equilibrium where workers mix between sending both applications to the high and both to the low productivity sector. Efficiency …

principals. We first show theoretically how these different degrees of competition affect outcomes and efficiency. Informational … inefficiencies remain. In contrast, when agents compete to be hired, efficiency improves dramatically, and it increases in the …

issue of labour market flexibility in transition countries by studying the optimality and efficiency of labour usage among … by value-added and capital stock. Speed of adjustment and labour use optimality and efficiency show much greater … the efficiency of labour usage. On average there is shortage of labour compared to firms’ own optimal level, while over …