This paper analyzes optimal procurement mechanisms in a setting where the procurement agency has incomplete information concerning the firms’ cost functions and cares about quality as well as price. Low type firms are cheaper than high type firms in providing low quality but more expensive...

Abstract: This paper explores the optimal degree of funding of public sector pension plans. It is assumed that a benevolent social planner decides on the contribution of current taxpayers to the funding of public sector pensions next period, weighing the interests of current and future tax...

This paper uses a dataset collected among inhabitants of Amsterdam, to study whether wages of prime age male workers are affected by the use of cannabis and cocaine.The analysis shows that cocaine use and infrequent cannabis use do not affect wages.Frequent cannabis use has a negative wage...

In this paper we use individual level data from the Australian National Drug Strategy Household Survey to study the relationship between initiation into cannabis use and educational attainment. Using instrumental variable estimation and bivariate duration analysis we find that those initiating...

This paper studies the wage effects of the use of alcohol and tobacco.The analysis based on a recent survey in the Netherlands shows that for males the use of tobacco has a negative wage effect of about 10% while the use of alcohol has a positive wage effect of about the same size.The wages of...

This paper uses a dataset collected among inhabitants of Amsterdam, to study the employment effects of the use of cannabis and cocaine.For females no negative effects of drug use on the employment rate are found.For males there is a negative correlation between past cannabis and cocaine use and...

This paper uses information about prime age individuals living in Amsterdam, to study whether the use of alcohol, or tobacco stimulates the use cannabis, i.e. whether alcohol or cannabis are stepping stones for cannabis.The special element of the study is that it concerns the use in an...

This paper uses information about prime age individuals living in Amsterdam to study the patterns of use of ecstasy and cocaine.The information was collected in surveys in 1994, 1997 and 2001.The analysis shows that the use of ecstasy and cocaine is mainly influenced by calendar year, family...

This paper investigates whether cannabis use leads to worse mental health. To do so, we account for common unobserved factors affecting mental health and cannabis consumption by modeling mental health jointly with the dynamics of cannabis use. Our main finding is that using cannabis increases...