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Indebted Demand in a Two Period Consumption-Saving Model

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Abstract

We construct a two period consumption-saving model with two agents where rising income inequality leads to declining equilibrium rates of interest, rising debt levels, and lower future aggregate demand. Importantly, our model does not rely on non-homothetic preferences to generate these outcomes. Instead, borrowers face a borrowing constraint which eases when income inequality increases. This feature is supported by the stylized fact that consumer credit and inequality have strongly co-moved and risen in the U.S. since the mid-1980s.

Suggested Citation

  • Joshua Brault & Hashmat Khan, 2021. "Indebted Demand in a Two Period Consumption-Saving Model," Carleton Economic Papers 21-13, Carleton University, Department of Economics, revised 05 Jan 2022.
    • Handle: RePEc:car:carecp:21-13
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    1. Matteo Iacoviello, 2005. "House Prices, Borrowing Constraints, and Monetary Policy in the Business Cycle," American Economic Review, American Economic Association, vol. 95(3), pages 739-764, June.
    2. Henrik Jensen & Ivan Petrella & Søren Hove Ravn & Emiliano Santoro, 2020. "Leverage and Deepening Business-Cycle Skewness," American Economic Journal: Macroeconomics, American Economic Association, vol. 12(1), pages 245-281, January.
    3. Michael Kumhof & Romain Rancière & Pablo Winant, 2015. "Inequality, Leverage, and Crises," American Economic Review, American Economic Association, vol. 105(3), pages 1217-1245, March.
    4. repec:hal:pseose:halshs-01207208 is not listed on IDEAS
    5. Andreas Fagereng & Martin Blomhoff Holm & Benjamin Moll & Gisle Natvik, 2019. "Saving Behavior Across the Wealth Distribution: The Importance of Capital Gains," NBER Working Papers 26588, National Bureau of Economic Research, Inc.
    6. Marianne Bertrand & Adair Morse, 2016. "Trickle-Down Consumption," The Review of Economics and Statistics, MIT Press, vol. 98(5), pages 863-879, December.
    7. Olivier Coibion & Yuriy Gorodnichenko & Marianna Kudlyak & John Mondragon, 2020. "Greater Inequality and Household Borrowing: New Evidence from Household Data," Journal of the European Economic Association, European Economic Association, vol. 18(6), pages 2922-2971.
    8. Michael Kumhof & Romain Rancière & Pablo Winant, 2015. "Inequality, Leverage, and Crises," Post-Print halshs-01511070, HAL.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Income inequality; Borrowing Constraint; Interest rate; Indebted demand;
    All these keywords.

    JEL classification:

    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects

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