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SUMMARY:UCLouvain Economics Seminar - V. Filipe Martins-da-Rocha
DTSTART:20180201
DTEND:20180201
DESCRIPTION:V. Filipe Martins-da-Rocha
(Université Paris Dauphine)
will give a presentatin on
Self-enforcing Debt Limits and Costly Default in General Equilibrium
Abstract :
We establish a novel determination of self-enforcing debt limits at the present value of default cost in a general competitive equilibrium. Agents can trade state-contingent debt but cannot commit to repay. If an agent defaults\, she loses a fraction of her current and future endowments. Moreover\, she is excluded from borrowing but is still allowed to save\, as in Bulow and Rogoff (1989). Competition implies that debt limits are not-too-tight\, as in Alvarez and Jerman (2000). Under a mild condition that the endowment loss from default is bounded away from zero\, we show that the equilibrium interest rates must be sufficiently high that the present value of aggregate endowments is finite. We show that equilibrium debt limits are exactly equal to the present value of endowment loss due to default. The determination of competitive debt limits based on endowment loss is isomorphic to the determination of public debt sustainable by tax revenues. We also show that competitive equilibria with self-enforcing debt and costly default are equivalent to Arrow-Debreu equilibria with limited pledgeability\, as defined by Gottardi and Kubler (2015). (Joint paper with Toan Phan and Yiannis Vailakis)
LOCATION:Doyens 22 - Place des doyens 1\, \, Louvain-la-Neuve 1348\, BE
DTSTAMP:20230329
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