This paper characterizes the optimal time path of R&D and capital subsidization. Starting from the steady state under current R&D subsidization in the US, the R&D subsidy should significantly jump upwards and then slightly decrease over time. There is a small loss in welfare, however, from...

This paper studies a class of AK-type growth models with public capital stock and elastic labor supply. The government taxes both factor incomes and conduct expenditure. To rationalize the taxation, government expenditure affects the productivity of private sectors. It shows the existence of a...

How does bankruptcy affect the dynamics of aggregate consumption? We quantify the trade-off between the insurance and creditworthiness effects of bankruptcy in response to tighter credit. We show that bankruptcy dampens the effect of tighter credit on aggregate consumption on impact because it...