We develop a product market theory that explains why firms invest in general training of their workers. We consider a model where firms first decide whether to invest in general human capital, then make wage offers for each others' trained employees and finally engage in imperfect product market...

Using Polish Labour Force Survey data, we examine whether competition for labour has induced individual pay to depend on outside options, availability and quality of jobs. Exploiting the lack of inter-regional job and worker flows we estimate the elasticity of individual pay, amongst a rich set...

The paper investigates the relative importance of job mobility for wages in comparison with the human capital framework and the industry approach. Using German panel data, changes of workplaces within the firm as well as between the firms are carefully separated from occupational changes....