Background: General Practitioners have limited means to compete. As quality is hard to observe by patients, GPs have … incentives to signal quality by using instruments patients perceive as quality.<br/>Objectives: We investigate whether GPs … no monetary benefit in doing so, this type of (perceived) quality competition originates from GPs satisfying patients …

In this paper, a worker's productivity is assumed to depend on his own quality and on the average quality of other … workers in the same country. The external effects associated with worker quality give rise to increasing returns to average … worker quality. As a result, free migration generally reduces world output. Within each country, social benefits that induce …

In this paper, a worker s productivity is assumed to depend on his own quality and on the average quality of other … employed workers.In this setting, unemployment benefits that induce low quality workers to leave the labor force have important … efficiency as well as equity implications.In addition to unemployment benefits, the authorities can use a proportional income tax …

sector.The efficiency of 82 road transportation companies responding to a large-scale survey focused on horizontal … low efficiency levels.Given the findings that the median company is operating on too small a scale one apparent remedy …

efficiency change.In other words, the two well-known sources of productivity growth-technology and efficiency-can be augmented by … a third one, namely the industrial organization effect.In this paper the efficiency of an industrial organization and … its contribution to performance are measured by benchmarking all firms on the industry.More precisely, efficiency is …