The aim of this study is to provide a methodology for the joint estimation of efficiency and market power of individual … differences in the market power and efficiency levels of banks between the two samples. Market power estimates indicate fairly … some banks deviates from the average behavior, and this finding has important policy implications. Finally, efficiency and …

Wage Dispersion and Efficiency. It is often assumed that markets generate efficient allocations, but these are not … compensating differentials will increase both efficiency and fairness, quite in line with the classical position taken by Adam … Differentiale heranführen dienen zugleich der Verbesserung der Effizienz und der Gerechtigkeit. …

scale often lead to dominating companies which are integrated over several markets. Although implying efficiency gains, the … theory on the power’ of search engines. The often used concept of ‘search neutrality’ is not convincing. …