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MIT Shocks Imply Market Incompleteness

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Abstract

The allocation after an unanticipated event (often called an "MIT shock") is different from the allocation of a corresponding complete-market model that explicitly considers the possibility of the shock, even when the probability of the event approaches zero.

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  • Toshihiko Mukoyama, 2020. "MIT Shocks Imply Market Incompleteness," Working Papers gueconwpa~20-20-04, Georgetown University, Department of Economics.
    • Handle: RePEc:geo:guwopa:gueconwpa~20-20-04
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    1. Boppart, Timo & Krusell, Per & Mitman, Kurt, 2018. "Exploiting MIT shocks in heterogeneous-agent economies: the impulse response as a numerical derivative," Journal of Economic Dynamics and Control, Elsevier, vol. 89(C), pages 68-92.
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    8. Veronica Guerrieri & Guido Lorenzoni & Ludwig Straub & Iván Werning, 2022. "Macroeconomic Implications of COVID-19: Can Negative Supply Shocks Cause Demand Shortages?," American Economic Review, American Economic Association, vol. 112(5), pages 1437-1474, May.
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    10. Krusell, Per & Mukoyama, Toshihiko & Smith Jr., Anthony A., 2011. "Asset prices in a Huggett economy," Journal of Economic Theory, Elsevier, vol. 146(3), pages 812-844, May.
    11. Mukoyama, Toshihiko, 2010. "Welfare effects of unanticipated policy changes with complete asset markets," Economics Letters, Elsevier, vol. 109(2), pages 134-138, November.
    12. Mukoyama, Toshihiko, 2013. "Understanding the welfare effects of unemployment insurance policy in general equilibrium," Journal of Macroeconomics, Elsevier, vol. 38(PB), pages 347-368.
    13. Dye, Ronald A, 1985. "Costly Contract Contingencies," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 26(1), pages 233-250, February.
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    1. Mukoyama, Toshihiko, 2023. "In defense of the Kaldor-Hicks criterion," Economics Letters, Elsevier, vol. 224(C).

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    More about this item

    Keywords

    MIT shock; incomplete markets;

    JEL classification:

    • D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E60 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - General

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