We investigate an overlapping generations model (OLG) model in which agents who live for two periods receive idiosyncratic productivity shocks when they are old. We show that a combination of lump-sum and linear capital taxes can always Pareto-improve the allocation, that is, it can raise the...

We develop a macroeconomic model in which liquidity plays an essential role in the production process, because firms have a commitment problem regarding factor payments. A liquidity crisis occurs when firms fail to obtain sufficient liquidity, and may be caused either by self-fulfilling beliefs...