Quotas for special groups of students often apply in school or university admission procedures. This paper studies the performance of two mechanisms to implement such quotas in a lab experiment. The first mechanism is a simplified version of the mechanism currently employed by the German central...

An overlapping generations model is set up in this paper to analyze social security policy in a representative democracy with asymmetric information. The model considers not only redistribution between generations but also redistribution within generations according to individual labor incomes....

Estimations of the shadow economies for 145 countries, including developing, transition and highly developed OECD economies over 1999 to 2003 are presented. The average size of the shadow economy (as a percent of "official" GDP) in 2002/03 in 96 developing countries is 38.7%, in 28 transition...

This paper analyzes intergenerational redistribution in a 2-period overlapping-generations model of a representative democracy. The model incorporates redistribution between generations and redistribution within generations, allowing for heterogeneous labor productivities in the working...

A large market economy has a huge number of degrees of freedom with weak microlevel coordination. The implicit microfoundations' approach assumes this property of micro-level interactions more strongly conditions macro-level outcomes compared to the precise details of individual choice behavior;...

Die vorliegende Studie untersucht die Zusammenhänge zwischen Erdölpreisen, Kraftstoffpreisen, verbrauchten Mengen und dem Energiesteueraufkommen. Wesentliche Ergebnisse sind, dass die verbrauchten Kraftstoffmengen mit der gesamtwirtschaftlichen Produktion und den Erdölpreisen schwanken. Vor...

It is argued that the German system of supporting low wage income earners by government transfers gives incentives for employers and employees to contract low wages and then to exploit the government. The paper analyses if such incentives do exist. It turns out that this is the case under...

Based on a description of the German system of taxes and transfers, the incentives to work are analyzed for several groups of the labor force. The effects of the “Hartz IV” reform (effective from 2005 onwards) on the incentives receive particular attention. It turns out that the marginal...

The proposal involves the establishment of ?welfare accounts? for every person in a country. There are to be four accounts: a retirement account (covering pensions), an unemployment account (covering unemployment support), a human capital account (covering education and training), and a health...

The income tax rate structure introduced in 2007 was changed in 2009. The income tax rates will be lowered in 2010, too. The effects on the wage income tax revenues and on the incentives to work are analyzed. It turns out that “bracket creep” will remain a problem in Germany