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Aggregate Demand Externality and Self-Fulfilling Default Cycles

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Listed:
  • Jess Benhabib
  • Feng Dong
  • Pengfei Wang
  • Zhenyang Xu

Abstract

We develop a model of self-fulfilling default cycles with demand externality a la Dixit- Stiglitz to explain the recurrent clustered defaults observed in the data. The literature reports that observable fundamental factors alone are insufficient to explain the cluster. A decline in aggregate output reduces the value of firms and increases their probability of default. As defaults take more firms out of production, aggregate output declines further, creating a positive feedback loop that generates multiple equilibria and self-fulfilling default cycles. Our global analysis using Bogdanov-Takens bifurcation reveals the existence of multiple or even infinite paths that satisfy all equilibrium conditions. Moreover, a family of periodic orbits can emerge in the perfect foresight equilibrium. Our model is consistent with the view that business cycles arise largely because the economy’s internal forces tend to endogenously generate cyclical mechanisms (Beaudry et al., 2020).

Suggested Citation

  • Jess Benhabib & Feng Dong & Pengfei Wang & Zhenyang Xu, 2024. "Aggregate Demand Externality and Self-Fulfilling Default Cycles," NBER Working Papers 32291, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:32291
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    More about this item

    JEL classification:

    • E22 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Investment; Capital; Intangible Capital; Capacity
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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