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Comment on Assenza and Berardi "Learning in a Credit Economy" (2009, JEDC)

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  • Pei Kuang

Abstract

This comment shows that the "optimality" conditions in Assenza and Berardi (2009, JEDC) "Learning in a Credit Economy" imply that agents' "optimal" choices are either suboptimal or infeasible. It presents the correct optimality conditions and discusses the effect on the E-stability condition of the REE. In addition, the different dynamics under the two sets of conditions is illustrated by considering an unexpected productivity impulse. Finally, under heterogeneous learning rules, numerical simulations illustrate that bankruptcy on the part of the borrowers arises sooner as they track the economy faster.

Suggested Citation

  • Pei Kuang, 2012. "Comment on Assenza and Berardi "Learning in a Credit Economy" (2009, JEDC)," Discussion Papers 13-06, Department of Economics, University of Birmingham.
  • Handle: RePEc:bir:birmec:13-06
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    File URL: ftp://ftp.bham.ac.uk/pub/RePEc/pdf/13-06.pdf
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    References listed on IDEAS

    as
    1. Kiyotaki, Nobuhiro & Moore, John, 1997. "Credit Cycles," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 211-248, April.
    2. Assenza, Tiziana & Berardi, Michele, 2009. "Learning in a credit economy," Journal of Economic Dynamics and Control, Elsevier, vol. 33(5), pages 1159-1169, May.
    3. Pei Kuang, 2013. "Imperfect Knowledge about Asset Prices and Credit Cycles," Discussion Papers 13-02, Department of Economics, University of Birmingham.
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    More about this item

    Keywords

    Learning; Bankruptcy; Heterogeneity;

    JEL classification:

    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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