This paper considers educational investment, wages and hours of market work in an imperfectly competitive labour market with heterogeneous workers and home production. It investigates the degree to which there might be both underemployment in the labour market and underinvestment in education. A...

This paper considers optimal educational investment and labour supply with increasing returns to scale in the earnings function. In so doing we develop the work of Rosen (1983), who first highlighted the increasing returns argument that arises because private returns to human capital investment...

We study the joint determination of fertility subsidies and Social Security taxes in an overlapping generations model where agents are heterogeneous in endowments. In equilibria where Social Security is valued, old and poor young agents form a coalition that sustains Social Security. When voting...