This paper examines the impact of innovations and wages on the demand for heterogeneous labour. Based on matched data from the IAB-establishment panel survey and the files of the employment statistics register for the year 1995, input shares derived from a generalised Leontief cost function are...

In the demographic change, a prolongation of individual employment and thus of beginning a new employment in later stages of the work life is of growing importance. On the base of microeconomic data (establishment panel of the IAB), this paper analyses firms' characteristics correlating with...

According to the Hutchens (1999) model, early retirement is not explained as a result of maximizing expected individual utility but rather as a demand-side phenomenon arising from a firm's profit-maximizing behaviour. Firms enter into contracts with their employees that include clauses about...