We characterize optimal redistribution in a dynastic economy with observable human capital and hidden ability. The government can use education to improve the insurance-incentive trade-off because there is a wedge between human capital investment in the laissez faire and the social optimum. This...

The effects of competition on growth are analyzed in the recent literature by comparing economies with the same market structure but different degrees of substitutability. In this note, we show that in a general equilibrium model with monopolistic competition à la Dixit- Stiglitz the effect of...

In the recent macro literature the effect of competition has been analyzed by comparing economies with the same market structure but different degrees of substitutability. In this note, we argue that this approach may mingle the price effect of competition with a pure allocation effect. To...