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The Possibility of Ideological Bias in Structural Macroeconomic Models

Author

Listed:
  • Gilles Saint-Paul

    (PSE - Paris School of Economics - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - EHESS - École des hautes études en sciences sociales - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement, PJSE - Paris Jourdan Sciences Economiques - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - INRA - Institut National de la Recherche Agronomique - EHESS - École des hautes études en sciences sociales - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique)

Abstract

An ideologically biased expert faces trade-offs in model design. The perceived model must be autocoherent—its use by all agents delivers a self-confirming equilibrium. Policy may be influenced by manipulating the Keynesian multiplier or the Phillips curve parameters. Ideological bias may arise in a way that resembles well-known historical controversies. A larger reported Keynesian multiplier is favored by more left-wing economists, as is a flatter inflation output trade-off. Some combinations of parameters must be truthfully revealed, illustrating the tight link between parameter identification and the scope for bias that is implied by the autocoherence conditions.

Suggested Citation

  • Gilles Saint-Paul, 2018. "The Possibility of Ideological Bias in Structural Macroeconomic Models," Post-Print halshs-01802688, HAL.
    • Handle: RePEc:hal:journl:halshs-01802688
    DOI: 10.1257/mac.20140154
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    Cited by:

    1. Javdani, Mohsen & Chang, Ha-Joon, 2019. "Who Said or What Said? Estimating Ideological Bias in Views Among Economists," IZA Discussion Papers 12738, Institute of Labor Economics (IZA).
    2. Mohsen Javdani & Ha-Joon Chang, 2023. "Who said or what said? Estimating ideological bias in views among economists," Cambridge Journal of Economics, Cambridge Political Economy Society, vol. 47(2), pages 309-339.
    3. Carsten Hefeker & Michael Neugart, 2019. "Policy Coordination Under Model Disagreement and Uncertainty," Open Economies Review, Springer, vol. 30(4), pages 719-737, September.
    4. Diaf, Sami & Döpke, Jörg & Fritsche, Ulrich & Rockenbach, Ida, 2022. "Sharks and minnows in a shoal of words: Measuring latent ideological positions based on text mining techniques," European Journal of Political Economy, Elsevier, vol. 75(C).
    5. Asatryan, Zareh & Havlik, Annika & Heinemann, Friedrich & Nover, Justus, 2020. "Biases in fiscal multiplier estimates," European Journal of Political Economy, Elsevier, vol. 63(C).

    More about this item

    JEL classification:

    • A11 - General Economics and Teaching - - General Economics - - - Role of Economics; Role of Economists
    • E6 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook

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