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Socially Optimal Coordination: Characterization and Policy Implications

Author

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  • George-Marios Angeletos
  • Alessandro Pavan
Abstract
In recent years there has been a growing interest in macro models with heterogeneity in information and complementarity in actions. These models deliver promising positive properties, such as heightened inertia and volatility. But they also raise important normative questions, such as whether the heightened inertia and volatility are socially undesirable, whether there is room for policies that correct the way agents use information in equilibrium, and what are the welfare effects of the information disseminated by the media or policy makers. We argue that a key to answering all these questions is the relation between the equilibrium and the socially optimal degrees of coordination. The former summarizes the private value from aligning individual decisions, whereas the latter summarizes the value that society assigns to such an alignment once all externalities are internalized.

Suggested Citation

  • George-Marios Angeletos & Alessandro Pavan, 2006. "Socially Optimal Coordination: Characterization and Policy Implications," Discussion Papers 1496, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
    • Handle: RePEc:nwu:cmsems:1496
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    Cited by:

    1. George-Marios Angeletos & Alessandro Pavan, 2009. "Policy with Dispersed Information," Journal of the European Economic Association, MIT Press, vol. 7(1), pages 11-60, March.
    2. Romain Baeriswyl & Camille Cornand, 2007. "Monetary policy and its informative value," Proceedings, Federal Reserve Bank of San Francisco, issue March, pages 1-34.
    3. Jonathan G James & Phillip Lawler, 2017. "Optimal Transparency and Policy Intervention with Heterogeneous Signals and Information Stickiness," Manchester School, University of Manchester, vol. 85(5), pages 577-600, September.
    4. Mäkinen, Taneli & Ohl, Björn, 2015. "Information acquisition and learning from prices over the business cycle," Journal of Economic Theory, Elsevier, vol. 158(PB), pages 585-633.
    5. Thomas, Caroline, 2019. "Experimentation with reputation concerns – Dynamic signalling with changing types," Journal of Economic Theory, Elsevier, vol. 179(C), pages 366-415.
    6. James, Jonathan G. & Lawler, Phillip, 2012. "Heterogeneous information quality; strategic complementarities and optimal policy design," Journal of Economic Behavior & Organization, Elsevier, vol. 83(3), pages 342-352.
    7. Herbert Sylvérie, 2022. "State-dependent Central Bank Communication with Heterogeneous Beliefs," Working papers 875, Banque de France.
    8. Paul A. Grout & Sebastien Mitraille & Silvia Sonderegger, 2008. "The Costs and Benefits of "Strangers": Why Mixed Communities Are Better," The Centre for Market and Public Organisation 08/191, The Centre for Market and Public Organisation, University of Bristol, UK.
    9. Jonathan G. James & Phillip Lawler, 2011. "Optimal Policy Intervention and the Social Value of Public Information," American Economic Review, American Economic Association, vol. 101(4), pages 1561-1574, June.
    10. Femminis, Gianluca & Piccirilli, Giulio, 2021. "Efficient information acquisition with heterogeneous agents," Economics Letters, Elsevier, vol. 207(C).
    11. Camille Cornand & Frank Heinemann, 2014. "Measuring agents’ reaction to private and public information in games with strategic complementarities," Experimental Economics, Springer;Economic Science Association, vol. 17(1), pages 61-77, March.
    12. Kenza Benhima & Isabella Blengini, 2020. "Optimal Monetary Policy when Information is Market-Generated," The Economic Journal, Royal Economic Society, vol. 130(628), pages 956-975.
    13. Park, Sungmin & Kim, Young-Han, 2018. "International policy coordination for financial regime stability under cross-border externalities," Journal of Banking & Finance, Elsevier, vol. 97(C), pages 177-188.
    14. Huang, Weiting, 2009. "作为人力资本的语言：专业化、组织沟通与语言习得 [Language as Human Capital: Labor Specialization, Organizational Communication and Language Acquisition]," MPRA Paper 15677, University Library of Munich, Germany.
    15. Silvia Sonderegger, 2010. "Centralized Or Decentralized Information: Which Is Better For Providing Incentives?," Economic Inquiry, Western Economic Association International, vol. 48(2), pages 290-305, April.
    16. Chen, Heng & Luo, Yulei & Pei, Guangyu, 2015. "Attention misallocation, social welfare and policy implications," Journal of Economic Dynamics and Control, Elsevier, vol. 59(C), pages 37-57.
    17. Raphael Galvão & Felipe Shalders, 2023. "Rules versus discretion in Central Bank communication," International Journal of Economic Theory, The International Society for Economic Theory, vol. 19(2), pages 177-203, June.
    18. Chen, Heng & Luo, Yulei & Pei, Guangyu, 2014. "Too Much of a Good Thing: Attention Misallocation and Social Welfare in Coordination Games," MPRA Paper 59139, University Library of Munich, Germany.
    19. Meixing Dai & Moïse Sidiropoulos, 2017. "How multiplicative uncertainty affects the tradeoff between information disclosure and stabilisation policy?," Working Papers of BETA 2017-15, Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg.
    20. Grout, Paul A. & Mitraille, Sébastien & Sonderegger, Silvia, 2015. "The costs and benefits of coordinating with a different group," Journal of Economic Theory, Elsevier, vol. 160(C), pages 517-535.
    21. Jonathan G. James & Phillip Lawler, 2015. "Heterogeneous private sector information, central bank disclosure, and stabilization policy," Southern Economic Journal, John Wiley & Sons, vol. 82(2), pages 620-634, October.

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    More about this item

    Keywords

    Dispersed information; coordination; complementarities; volatility; inertia; efficiency;
    All these keywords.

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D62 - Microeconomics - - Welfare Economics - - - Externalities
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design

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