In order to stimulate labor market participation and improve the financial viability of the social security systems, many recent reform proposals in various OECD economies suggest to scale down the non-actuarial parts of the pension systems. These reforms have a flavour of increased efficiency...

Despite the large degree of plant-specific heterogeneity in turnover patterns recently found in the gross job and worker literature, very little is known about the sources of the heterogeneity in plant level employment policies. The present paper, studies in detail the employment management...

In the optimal tax problem, the maximand is quasi-convex in consumer prices. In such a case, there exists no separating hyperplane between the upper contour set of the maximand and the constraint set. Therefore, the second order properties of optimal tax problems are somewhat non-standard...

The paper explores second degree price discrimination in a multi- dimensional good context.There are two types of consumers with demand describe by a t wo-dimensional vector,a quantity dimension and a service attribute dimension (mode of usage,usage pattern).