Strategic Complementarities and the Twin Crises
In: The economic journal: the journal of the Royal Economic Society, Band 115, Heft 503, S. 368-390
ISSN: 1468-0297
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In: The economic journal: the journal of the Royal Economic Society, Band 115, Heft 503, S. 368-390
ISSN: 1468-0297
In: CEPR Discussion Paper No. DP13498
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Working paper
In: CESifo Working Paper No. 10738
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In: Discussion paper 03-46
In: Rotman School of Management Working Paper No. 4400717
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In: NBER Working Paper No. w32276
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Working paper
In: CEPR Discussion Paper No. DP16998
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Working paper
In: University of Chicago, Becker Friedman Institute for Economics Working Paper No. 2022-90
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In: NBER Working Paper No. w22119
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In: The quarterly review of economics and finance, Band 45, Heft 4-5, S. 641-661
ISSN: 1062-9769
In: Revue d'économie politique, Band 115, Heft 4, S. 393-412
ISSN: 2105-2883
Substituabilités stratégiques versus complémentarités stratégiques : pour une théorie générale de la coordination des anticipations ? Cet article compare l'analyse de la stabilité des anticipations dans un modèle économique stylisé dans deux cas polaires: Les Complémentarités Stratégiques (CoSt) dominent ou sont dominées par les Substituabilités Stratégiques (SuSt). Alors que, dans le premier cas, l'unicité va souvent de pair avec la «stabilité divinatoire», les deux questions sont largement indépendantes sous SuSt. Qui plus est, l'information incomplète, qui souvent contribue positivement à la coordination sous hypothèse de CoSt, a souvent l'effet inverse sous SuSt. Enfin, l'examen d'une classe de modèles macroéconomiques, même dans un cadre agrégé qui amplifie les CoSt, et même sous des hypothèses néokeynésiennes, suggère que les SuSt y dominent les CoSt. Les «vestiges » des CoSt subsistant cependant dans les modèles désagrégés sont finalement discutés.
In: Structural change and economic dynamics, Band 50, S. 203-215
ISSN: 1873-6017
In: CESifo working paper series 2947
In: Monetary policy and international finance
In games with strategic complementarities, public information about the state of the world has a larger impact on equilibrium actions than private information of the same precision, because the former is more informative about the likely behavior of others. This may lead to welfare-reducing 'overreactions' to public signals. We present an experiment based on a game of Morris and Shin (2002), in which agents' optimal actions are a weighted average of the fundamental state and their expectations of other agents' actions. We measure the responses to public and private signals and find that, on average, subjects put a larger weight on the public signal. However, the weight is smaller than in equilibrium and closer to level-2 reasoning. Stated second order beliefs indicate that subjects underestimate the information contained in public signals about other players' beliefs, but this can account only for a part of the observed deviation of behavior from equilibrium. In the extreme case of a pure coordination game, subjects still use their private signals, preventing full coordination. Reconsidering the welfare effects of public and private information theoretically, we find for level-2 reasoning that increasing precision of public signals always raises expected welfare, while increasing precision of private signals may reduce expected welfare if coordination is socially desirable.