Infinite Debt Rollover in Stochastic Economies

IF 6.6 1区经济学 Q1 ECONOMICS

Econometrica Pub Date : 2023-10-03 DOI:10.3982/ECTA21090

Narayana R. Kocherlakota

引用次数: 0

Abstract

This paper shows that there is more scope for a borrower to engage in a sustainable infinite debt rollover (a “Ponzi scheme”) when interest/growth rates are stochastic. In this context, I prove that the relevant “r vs. g” comparison uses the yield r_long to an infinite-maturity zero-coupon bond. I show that r_long is lower than the risk-neutral expectation of the short-term yield when it is variable, and that r_long is close to the minimal realization of the short-term yield when it is highly persistent. The paper applies these results to illustrative heterogeneous agent dynamic stochastic general equilibrium models to obtain similarly weakened sufficient conditions for the existence of public debt bubbles.

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随机经济中的无限债务展期

本文表明，当利率/增长率是随机的时，借款人有更大的空间进行可持续的无限债务展期（“庞氏骗局”）。在这种情况下，我证明了相关的“r与g”比较使用了无限期零息债券的收益率rlong。我证明了当rlong是可变的时，它低于短期收益率的风险中性预期，并且当它是高度持久的时，rlong接近短期收益的最小实现。本文将这些结果应用于说明性的异质主体动态随机一般均衡模型，得到了公共债务泡沫存在的类似弱化的充分条件。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Econometrica 社会科学-数学跨学科应用

CiteScore

11.00

自引率

3.30%

发文量

审稿时长

6-12 weeks

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