This paper provides a descriptive analysis of the demand for high-skilled workers using a new firm data set, the IZA International Employer Survey 2000. Our results suggest that while workers from EU-countries are mainly complements to domestic high-skilled workers, workers from non-EU countries...

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...