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Sharing Demographic Risk--Who Is Afraid of the Baby Bust?

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  • Alexander Ludwig
  • Michael Reiter

Abstract

We model the reaction of a PAYG pension system to demographic shocks. We compare the ex ante first best and second best solution of a Ramsey planner with full commitment to the outcome under simple third best rules. The model is calibrated to the German economy. We find that the German system comes relatively close to the second-best solution, and that the recent baby-boom/baby-bust cycle leads to welfare losses of about 5 percent of lifetime consumption for some cohorts. We argue that it is crucial for all our results to correctly model the labor market distortions arising from the pension system. (JEL D91, E62, H55, J11)

Suggested Citation

  • Alexander Ludwig & Michael Reiter, 2010. "Sharing Demographic Risk--Who Is Afraid of the Baby Bust?," American Economic Journal: Economic Policy, American Economic Association, vol. 2(4), pages 83-118, November.
    • Handle: RePEc:aea:aejpol:v:2:y:2010:i:4:p:83-118
    Note: DOI: 10.1257/pol.2.4.83
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    More about this item

    JEL classification:

    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy; Modern Monetary Theory
    • H55 - Public Economics - - National Government Expenditures and Related Policies - - - Social Security and Public Pensions
    • J11 - Labor and Demographic Economics - - Demographic Economics - - - Demographic Trends, Macroeconomic Effects, and Forecasts

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