Recent empirical studies suggest that the average marginal propensity to consume (MPC) has declined. This paper explains the declining trend of the MPC with a standard representative consumer model where borrowing constraints become more relaxed as suggested by data. With an increase in available credit, the consumer can easily spread out negative income shocks by credit card borrowing or consumer loans. As a result, consumers under relaxed borrowing constraints have lower MPCs than they had a generation ago. This result suggests that policy makers should now account for the less responsiveness of consumers to fiscal stimulus plans aiming at boosting consumpti
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David Laibson & Andrea Repetto & Jeremy Tobacman, 2000.
"A Debt Puzzle,"
Documentos de Trabajo
80, Centro de EconomÃa Aplicada, Universidad de Chile.
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David Laibson & Andrea Repetto & Jeremy Tobacman, 2000.
"A Debt Puzzle,"
NBER Working Papers
7879, National Bureau of Economic Research, Inc.
[Downloadable!] (restricted)
Pierre-Olivier Gourinchas & Jonathan A. Parker, 2002.
"Consumption Over the Life Cycle,"
Econometrica,
Econometric Society, vol. 70(1), pages 47-89, January.
[Downloadable!] (restricted)
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