"This paper discusses how the effects of taxes on economic behavior are important for revenue estimation, for calculating efficiency effects, and for understanding short-term macroeconomoic consequences. The primary focus is on taxes on labor income but some attention is given to taxes on income...

We set up an OLG-model, where households both choose human capital investment and decide on investing their endogenous savings in a portfolio of riskless and risky assets, exposing them to (aggregate) wage and capital risks due to technological shocks. We derive the optimal public policy mix of...

"Optimal policy rules--including those regarding income taxation, commodity taxation, public goods, and externalities--are typically derived in models with homogeneous preferences. This article reconsiders many central results for the case in which preferences for commodities, public goods, and...