Marginal Employment, i.e. employment at low working hours and earnings not covered by social security, has been gaining importance in the German economy over the past decade. Using a large newly available panel data set and statistical matching techniques, we analyse the effects of marginal...

[Inhaltsverzeichnis] 1. Lohnspreizung - Ein gesellschaftspolitisches Problem 2. Theoretische Erklärungsansätze zur Lohnspreizung 2.1. Einfaches Arbeitsmarktmodell mit homogenen Arbeitsangebot 2.2. Einfaches Arbeitsmarktmodell mit heterogenen Arbeitsangebot 2.3. trade-off-Hypothese zwischen...

We formulate a model that explicitly separates two functions in the innovation process: The introduction of new goods and the quality improvement of existing goods. While the latter is performed by the corporate R&D sector, the first is performed by entrepreneurs. We show that in a three sector...

Facing a stochastic market wage, which is independent of their own hiring policy, employers offer contracts specifying fixed wage, revenue share and employment duration. In ongoing employment relations it depends on the treatment whether fixed wages can be only increased or also decreased. Will...

One may hope to capture the behavioral and emotional effects of downsizing the laborforce in rather abstract settings as an ultimatum game (see Fischer et al. (2008)), or try to explore downsizing in its more natural principalagent scenario with a labor market background. We pursue the latter...

This study deals with youth unemployment trends in Europe since the mid of the 80ths in general and regards individual risk factors for Germany and the United Kingdom in particular in the mid of the 90ths. The study for the two selected countries shows that the individual risk of (long-term)...

Turning unemployment into self-employment has become a major focus of German active labour market policy (ALMP) in recent years. If effective, this would not only reduce Germany?s persistently high unemployment rate, but also increase its notoriously low self-employment rate. Empirical evidence...

Staatliche Instrumente zur Beschäftigungsförderung und Einkommenssicherung im Niedriglohnbereich durch Kombilohn-Modelle existieren auch in Deutschland schon seit längerem und wurden im Zuge der jüngsten Arbeitsmarktreformen ausgeweitet. Diese haben das Ziel, durch eine einkommensabhängige...

This paper assesses the dynamics of treatment effects arising from variation in the duration of training. We use German administrative data that have the extraordinary feature that the amount of treatment varies continuously from 10 days to 395 days (i.e. 13 months). This feature allows us to...