This paper explores how the specification of the earnings function impacts the optimal tax treatment of human capital. If education is complementary to labor effort, education should be subsidized to offset tax distortions on labor supply. However, if most of the education is enjoyed by high...

This paper deals with the so-called 'double-dividend' of an environmental tax reform. We find that, in a model with only labor and a polluting input as factors of production, society faces a trade-off between internalizing environmental externalities and raising revenues in the least...