Education is a well-known driver of (entrepreneurial) income. The measurement of its influence, however, suffers from endogeneity suspicion. For instance, ability and occupational choice are mentioned as driving both the level of (entrepreneurial) income and of education. Using instrumental variables can provide a way out. However, three questions remain: whether endogeneity is really present, whether ...
We estimate the relationship between changes in the body mass index (bmi) and wages or satisfaction, respectively, in a panel of German employees. In contrast to previous literature, the dynamic models indicate that there is an inverse u-shaped association between bmi and wages among young workers. Among young male workers, work satisfaction is affected beyond the effect on earnings. Our finding of ...
The European Commission is currently overhauling the most important instrument for the regulation of cross-border flows of personal data, the Data Protection Directive of 1995 (Directive 95/46/EC). Among the most tedious legal issues is the use of personal data for secondary purposes. Such use occurs if data collected for one purpose (such as credit granting) are later used for another purpose (e.g. ...