In a neoclassical economy with endogenous capital- and labor-augmenting technical change the steady-state growth rate of output per worker is shown to increase in the elasticity of substitution between capital and labor. This confirms the assessment of Klump and de La Grandville (2000) that the...

Von dem vierten Gesetz für moderne Dienstleistungen am Arbeitsmarkt (Hartz IV), das mit dem 1. Januar 2005 in Kraft trat, erhoffte sich der Gesetzgeber eine Stärkung der Anreize, Arbeit anzubieten. Dieser Aufsatz analysiert die Beschäftigungswirkungen einer Senkung staatlicher...

Incentives often fail in inducing economic agents to engage in a desirable activity; implementability is restricted. What restricts implementability? When does re-organization help to overcome this restriction? This paper shows that any restriction of implementability is caused by an identifi...

Earlier studies on income inequality and crime have typically used total income or total earnings. However, it is quite likely that it is changes in permanent rather than in transitory income that affects crime rates. The purpose of this paper is therefore to disentangle the two effects by,...

This paper investigates to what extent voters and politicians have the same preferences for locally provided welfare services. We make use of two different types of survey questionnaires; one directed towards voters and one directed towards politicians. We reach two main conclusions in the...

The increased demand for a more equal parental sharing of the responsibilities for children has led many countries to reconstruct their parental leave systems so to provide stronger incentives for fathers to participate in childcare. Father's quotas are becoming widely spread across Europe. This...

The paper presents a model that allows a unified analysis of sickness absence and search unemployment. Sickness appears as random shocks to individual utility functions, interacts with individual search and labor supply decisions and triggers movements across labor force states. The employed...