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On the Impact of Income and Policy Shocks on Consumption


  • Tamim Bayoumi
  • Silvia Sgherri


An increasing body of evidence suggests that the behavior of the economy has changed in many fundamental ways over the last decades. In particular, greater financial deregulation, larger wealth accumulation, and better policies might have helped lower uncertainty about future income and lengthen private sectors' planning horizon. In an overlapping-generations model, in which individuals discount the future more rapidly than implied by the market rate of interest, we find indeed evidence of a falling degree of impatience, providing empirical support for this hypothesis. The degree of persistence of 'windfall' shocks to disposable income also appears to have varied over time. Shifts of this kind are shown to have a key impact on the average marginal propensity to consume and on the size of policy multipliers.

Suggested Citation

  • Tamim Bayoumi & Silvia Sgherri, 2007. "On the Impact of Income and Policy Shocks on Consumption," DNB Working Papers 152, Netherlands Central Bank, Research Department.
  • Handle: RePEc:dnb:dnbwpp:152

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    References listed on IDEAS

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    More about this item


    Fiscal Policy; Discount Rate; Overlapping Generations Model;

    JEL classification:

    • E63 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Comparative or Joint Analysis of Fiscal and Monetary Policy; Stabilization; Treasury Policy
    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth

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