This paper explores whether investments in information and communication technologies (ICT) and firm-sponsored training programmes are complementary. Three approaches are applied to panel data from German service companies for the time period 1994-98. Results for a system of interrelated factor...

Empirical studies show that years of schooling are positively correlated with good health. The implication may go from education to health, from health to education, or from factors that influence both variables. We formalize a model that determines an individual's demand for knowledge and...