In an economy with distortionary taxes on labor, can subsidies on day care, financed by an increase in taxes, raise welfare by encouraging women with small children to work? We show, within a heterogeneous-agent life-cycle framework, that the Ramsey optimal policy consists in equalizing...

In this paper, we study consumption risk sharing when individual income shocks are persistent and not publicly observable, and individuals can default on contracts at the price of financial autarky. We find that, in contrast to a model where the only friction is limited enforcement, our model...

We investigate optimal tax policy in a Romer-style endogenous growth model. We derive formulas for the optimal tax rates on capital, labor, and innovation on a balanced growth path. We compute the balanced growth path and the transition to it with optimal policy for a range of parameter values....

This paper compares the Tel-Aviv Stock Exchange (TASE) 25 Index (TA25) to the Samp;P 500 Index with respect to the extent that the Technical Analysis method of moving average can beat the buy-and-hold policy. Previous research on the Samp;P 500 Index is inconclusive, while TA25 has never been...