We use worldwide satellite data to analyse how population size and density affect urban pollution. We find that density significantly increases pollution exposure. Looking only at urban areas, we find that population size affects exposure more than density. Moreover, the effect is driven mostly...

Although explanations of the persistence of high unemployment in Germany, in particular long-term unemployment, have increasingly focused on structural factors, there is only very limited evidence on their empirical importance so far. In this paper, these factors are analyzed based on a...

Long-term unemployment in Eastern Germany in the two-years period since Currency, Economic and Social Union is analyzed by means of a discrete hazard rate model of individual re-employment behaviour estimated on the first three waves of the German Socio-Economic Panel. Although most unemployment...

Die Konsolidierung der Staatsfinanzen nach der gegenwärtigen Finanz- und Wirtschaftskrise wird eines der zentralen wirtschaftspolitischen Themen der nächsten Jahre sein: Die Regelungen zur "Schuldenbremse" sehen für den Bundeshaushalt bis 2016 einen annähernd ausgeglichenen Haushalt vor, und...

Staatliche Instrumente zur Einkommenssicherung im Niedriglohnbereich durch "Kombilohn-Modelle" existieren auch in Deutschland schon seit längerem und wurden im Zuge der jüngsten Arbeitsmarktreformen ausgeweitet. Aktuelle Reformvorschläge für Deutschland zielen zum einen auf die...

This paper follows up recent work on the relationship between (un)employment and wage effects of social security financing undertaken by the OECD Jobs Study. Based on a simple macroeconometric model of the labour market, I investigate whether the peculiar OECD results for Germany on the...

This paper systematically investigates whether different kinds of personality characteristics influence entrepreneurial development. On the basis of a large, representative household panel survey, we examine the extent to which the Big Five traits and further personality characteristics, which...