Using a stochastic frontier approach this paper evaluates the effects of substantial changes in the teaching material on students learning efficiency. The results indicate that the main effects of the re-organization on the learning efficiency was a decreasing importance of students' attendance...

Using standard as well as recently developed univariate and bivariate count data models, this paper analyzes the determinants of workplace accidents using a firm data set for Germany. Given the tight system of public workplace safety regulation, introduced partly as early as in 1869, and the...

This study tests to what degree the incidence of payroll taxes in Germany is on employment and whether in consequence payroll taxes, in particular social insurance contributions, are the culprit behind the growing unemployment problem. Using industry level data for 18 years (1977-1994) we...

Sharing the available stock of work more fairly is a popular concern in the public policy debate. One policy proposal is to reduce overtime work in order to allow the employment of more people. This paper suggests that such a concept faces major problems. Using Germany as a case study, it is...