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来源类型Working Paper
规范类型报告
DOI10.3386/w29138
来源IDWorking Paper 29138
Public Debt Bubbles in Heterogeneous Agent Models with Tail Risk
Narayana R. Kocherlakota
发表日期2021-08-09
出版年2021
语种英语
摘要This paper studies the public debt implications of a class of Aiyagari (1994)-Bewley (1977)-Huggett (1993) (ABH) models of incomplete insurance in which agents face a near-zero probability of a highly adverse outcome. In generic models of this kind, there exists a public debt bubble, so that the government is able to borrow at a real interest rate that is perpetually below the economic growth rate. Given an equilibrium with a public debt bubble, the primary deficit and the level of debt are both strictly increasing in the real interest rate and in the fraction of government expenditures used for lumpsum transfers. There is no upper bound on the deficit level or long-run debt level that is sustainable in equilibrium. In a public debt bubble, regardless of its size, agents are better off in the long run if the government chooses policies that give rise to a larger debt and primary deficit.
主题Macroeconomics ; Fiscal Policy ; Public Economics ; National Fiscal Issues
URLhttps://www.nber.org/papers/w29138
来源智库National Bureau of Economic Research (United States)
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条目标识符http://119.78.100.153/handle/2XGU8XDN/586812
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Narayana R. Kocherlakota. Public Debt Bubbles in Heterogeneous Agent Models with Tail Risk. 2021.
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