The present paper constructs a dynamic general-equilibrium OLG model with heterogeneous households and analyzes the effect of tax-deferred retirement saving accounts. When stylized 401(k)-type accounts are introduced, the government tax revenue decreases by 26% in the short run and by 15% in the...

This paper explores the role of inefficiencies in the debt enforcement procedures for the amplification of productivity and credit market shocks. We argue that the magnitude of amplification crucially depends on the fraction of the asset used as a collateral in the credit market.