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Rising indebtedness and temptation: a welfare analysis

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  • Makoto Nakajima

Abstract

Is the observed large increase in consumer indebtedness since 1970 beneficial for U.S. consumers? This paper quantitatively investigates the macroeconomic and welfare implications of relaxing borrowing constraints using a model with preferences featuring temptation and self-control. The model can capture two contrasting views: the positive view, which links increased indebtedness to financial innovation and thus better consumption smoothing, and the negative view, which is associated with consumers' over-borrowing. The author finds that the latter is sizable: the calibrated model implies a social welfare loss equivalent to a 0.4 percent decrease in per-period consumption from the relaxed borrowing constraint consistent with the observed increase in indebtedness. The welfare implication is strikingly different from the standard model without temptation, which implies a welfare gain of 0.7 percent, even though the two models are observationally similar. Naturally, the optimal level of the borrowing limit is significantly tighter according to the temptation model, as a tighter borrowing limit helps consumers by preventing over-borrowing.

Suggested Citation

  • Makoto Nakajima, 2011. "Rising indebtedness and temptation: a welfare analysis," Working Papers 11-39, Federal Reserve Bank of Philadelphia.
  • Handle: RePEc:fip:fedpwp:11-39
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    References listed on IDEAS

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    As found by EconAcademics.org, the blog aggregator for Economics research:
    1. Rising indebtedness and temptation: a welfare analysis
      by Christian Zimmermann in NEP-DGE blog on 2011-11-19 08:00:01

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    Keywords

    Equilibrium (Economics);

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