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Garp, Separability, And The Representative Agent

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  • Fleissig, Adrian R.
  • Hall, Alastair R.
  • Seater, John J.

Abstract

We examine whether annual, quarterly, and monthly U.S. aggregate consumption data could have been generated by a utility-maximizing representative agent with intertemporally separable utility. The model appears inapplicable over the full time periods covered by the NIPA data, which are the sample periods often used in the literature. The model does appear applicable, however, over long subsamples. The data also are inconsistent with separability assumptions routinely made in the literature. In particular, the main categories of consumption (nondurables, services, and durables) are not mutually separable. We consider the implications of our results for inference about consumption based on the representative-agent model.

Suggested Citation

  • Fleissig, Adrian R. & Hall, Alastair R. & Seater, John J., 2000. "Garp, Separability, And The Representative Agent," Macroeconomic Dynamics, Cambridge University Press, vol. 4(3), pages 324-342, September.
    • Handle: RePEc:cup:macdyn:v:4:y:2000:i:03:p:324-342_01
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    Cited by:

    1. Barnett, William A. & Serletis, Apostolos, 2008. "Consumer preferences and demand systems," Journal of Econometrics, Elsevier, vol. 147(2), pages 210-224, December.
    2. Serletis, Apostolos & Xu, Libo, 2021. "Consumption, Leisure, And Money," Macroeconomic Dynamics, Cambridge University Press, vol. 25(6), pages 1412-1441, September.
    3. Monia Landolsi & Kamel Bel Hadj Miled, 2024. "Semi-Nonparametric Estimation of Energy Demand in Tunisia," International Journal of Energy Economics and Policy, Econjournals, vol. 14(1), pages 254-263, January.
    4. Fleissig, Adrian R. & Whitney, Gerald A., 2008. "A nonparametric test of weak separability and consumer preferences," Journal of Econometrics, Elsevier, vol. 147(2), pages 275-281, December.
    5. Douglas Fisher & Adrian R. Fleissig & Apostolos Serletis, 2006. "An Empirical Comparison of Flexible Demand System Functional Forms," World Scientific Book Chapters, in: Money And The Economy, chapter 13, pages 247-277, World Scientific Publishing Co. Pte. Ltd..
    6. Manami Ogura, 2024. "Testing the aggregation of goods and services without separability using panel data," Empirical Economics, Springer, vol. 67(4), pages 1581-1613, October.
    7. Sarwar, haroon & Hussian, zakir & Awan, masood sarwar, 2011. "Money Demand Functions for Pakistan (Divisia Approach)," MPRA Paper 34361, University Library of Munich, Germany.
    8. Serletis, Apostolos & Rangel-Ruiz, Ricardo, 2005. "Microeconometrics and measurement matters: Some results from monetary economics for Canada," Journal of Macroeconomics, Elsevier, vol. 27(2), pages 307-330, June.

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