How do firm-level collective agreements affect firm performance in a multi-level bargaining system? Using detailed Belgian linked employer-employee panel data, our findings show that firm agreements increase both wage costs and productivity (with respect to sector-level agreements). Relying on a...

The numbers of migrants from the accessions countries have clearly increased since the enlargement of the EU in 2004. Following enlargement, the net inflow of EU8 immigrants has become 2.5 times larger than the four-year period before enlargement. Poles constitute the largest immigrant group...

Different empirical studies suggest that the structure of employment in the U.S. and Great Britain tends to polarise into good and bad jobs. We provide updated evidence that polarisation also occurred in Germany since the mid-1980s until 2008. Using representative panel data, we show that this...

The numbers of migrants from the accessions countries have clearly increased since the enlargement of the EU in 2004. Following enlargement, the net inflow of EU8 immigrants has become 2.5 times larger than the four-year period before enlargement. Poles constitute the largest immigrant group...

Despite numerous studies on skill development, we know little about the causal effects of music training on cognitive and non-cognitive skills. This study examines how long-term music training during childhood and youth affects the development of cognitive skills, school grades, personality,...

It is still widely debated how non-cognitive skills can be affected by policy intervention. For example, universal music education programs are becoming increasingly popular among policy makers in Germany and other developed countries. These are intended to give children from poor families the...

Previous research does not teach us much about the role of music for skill development. Learning a musical instrument during childhood may affect educational opportunities by improving cognitive skills, teaching non-cognitive skills or sending positive signals to school teachers. Our study is...

Different empirical studies suggest that the structure of employment in the U.S. and Great Britain tends to polarise into "good" and "bad" jobs. We provide updated evidence that polarisation also occurred in Germany since the mid-1980s until 2008. Using representative panel data, we show that...

Despite numerous studies on skill development, we know little about the effects of extracurricular music activities on cognitive and non-cognitive skills. This study examines how music training during childhood and youth affects the development of cognitive skills, school grades, personality,...