The government temporal horizon is shown to be a key determinant of the optimal tax structure in an endogenous growth model of the US economy. As the temporal horizon lengthens, wage taxation is gradually substituted by consumption taxation. The optimal tax mix depends notably on the leisure...

This note shows that the competitive equilibrium is efficient in the Uzawa-Lucas endogenous growth model with sector-specific externalities associated to human capital in the goods sector for a large class of goods production technologies.