This paper analyses the effects of transitory increases in government spending when public debt is used as liquidity by the private sector. Aggregate shocks are introduced into an incomplete-market economy where heterogenous, infitely-lived households face occasionally binding borrowing...

This paper analyzes the long-run effect of monetary policy when credit constraints are taken into account. This analysis is carried on in a heterogeneous agents framework in which infinitely lived agents can partially self-insure against income risks by using both financial assets and real...

This paper analyses the effects of money shocks on macroeconomic aggregates in a flexible-price, incomplete-markets environment that generates persistent wealth inequalities amongst agents. In this framework, unexpected money shocks redistribute wealth from the cash-rich employed to the...

This paper analyses the effects of money shocks on macroeconomic aggregates in a flexible-price, incomplete-markets environment that generates persistent wealth inequalities amongst agents. In this framework, unexpected money shocks redistribute wealth from the cash-rich employed to the...

Recent episodes of de-monetization show that private credit can be a substitute for money. This paper studies the conditions of money circulation when non-circulating private debts (IOUs) can be a substitute for money. I first present a simple model of inside money where money circulates if and...

This paper exhibits and quantifies a new theoretical channel of the non-neutrality of inflation transiting through capital market imperfections. Unconstrained households change their financial position in front of a change in the inflation rate, whereas constrained households can not. Thus...

La crise économique que nous traversons montre le rôle pivot des banques centrales dans les économies développées. Si elles se veulent les gardiennes discrètes de la stabilité des prix, cette crise souligne la nécessité de repenser plus globalement leur rôle. D'abord, elles n'ont pas...