I analyze an overlapping generations model with old age productivity risk where wages, employment and severance payments are set through efficient bargaining between risk averse unions and risk neutral firms. Equilibrium allocations with limited union membership are second-best inefficient as...

I discuss two alternative notions of social welfare (utilitarian and self- enforcing) in a dynastic model with heterogeneous and persistent degrees of parental altruism and evaluate the implied levels of consumption inequality. Then, I study a decentralization of planning optima in a competitive...

We analyze the long-run optimal combination of wealth and labor tax rates in a model where wealth-to-income ratios and wealth inequality are rising endogenously. We consider rich (lenders) and poor (borrowers) households, financial and housing wealth, and find that a ''realistic'' optimal steady...