Using a sample of 21 OECD-countries we measure productivity in top-edge economic research by using data envelopment analysis (DEA). DEA is a tool for evaluating relative efficiency and is widely used when there are multiple inputs and outputs and one lacks a specific functional form of a...

Credence goods markets are characterized by asymmetric information between sellers and consumers that may give rise to inefficiencies, such as under- and overtreatment or market break-down. We study in a large experiment with 936 participants the determinants for efficiency in credence goods...

In a large scale newspaper experiment 5,132 readers of the German weekly, Die Zeit, participated in a three-person bargaining game. In our data analysis we focus on (1) the influence of age, gender, profession and the medium chosen for participation on bargaining behavior and on (2) the external...

We present an experimental study on the wasted resources associated with tax evasion. This waste arises from taxpayers and tax authorities, investing costly effort in concealment, respectively detect ion, of tax evasion. We show that (socially inefficient) efforts depend positively on the...

In this paper we address the role of the veil of ignorance on work incentives and tax rates in a two-person real effort experiment. We find that effort levels decrease with a rise in tax rates. Tax revenues peak at intermediate tax rates of 50 percent to 65 percent, supporting the existence of a...

This paper studies the implications offlexible integration in the European Union. Itanalyses the voting power of member states in theCouncil of Ministers when differently sized subgroupsof the EU are set up. European Monetary Union isreferred to as the most important example of...