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Communities and social inefficiency with heterogeneous groups

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  • Dalmazzo, Alberto
  • Pin, Paolo
  • Scalise, Diego

Abstract

We present a model where society is partitioned into groups, or communities, whose preferences may conflict. In particular, the actions of members of a certain group can inflict negative spillovers on members of other groups. We show that, on one hand, coordination at the group-level may be Pareto inefficient. However, on the other hand, by using a replicator equation approach where there is some moral pressure from co-members, we show that substantial compliance to group׳s norms arises endogenously. Our framework can also account for “cultural maladaptations”, i.e., the persistence of cultural traits which are harmful for community members, and for the society as a whole.

Suggested Citation

  • Dalmazzo, Alberto & Pin, Paolo & Scalise, Diego, 2014. "Communities and social inefficiency with heterogeneous groups," Journal of Economic Dynamics and Control, Elsevier, vol. 48(C), pages 410-427.
  • Handle: RePEc:eee:dyncon:v:48:y:2014:i:c:p:410-427
    DOI: 10.1016/j.jedc.2014.08.001
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    Cited by:

    1. Dalmazzo, Alberto & de Blasio, Guido & Poy, Samuele, 2018. "Local secessions, homophily, and growth. A model with some evidence from the regions of Abruzzo and Molise (Italy, 1963)," Journal of Economic Behavior & Organization, Elsevier, vol. 151(C), pages 284-306.
    2. Sebastiano Della Lena & Pietro Dindo, 2019. "On the Evolution of Norms in Strategic Environments," Working Papers 2019: 16, Department of Economics, University of Venice "Ca' Foscari".
    3. Annie TUBADJI & Vassilis ANGELIS & Peter NIJKAMP, 2019. "Micro-Cultural Preferences and Macro-Percolation of New Ideas: A NetLogo Simulation," Journal of the Knowledge Economy, Springer;Portland International Center for Management of Engineering and Technology (PICMET), vol. 10(1), pages 168-185, March.

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    More about this item

    Keywords

    Group interactions; Social inefficiency; Replicator analysis;
    All these keywords.

    JEL classification:

    • D70 - Microeconomics - - Analysis of Collective Decision-Making - - - General
    • Z13 - Other Special Topics - - Cultural Economics - - - Economic Sociology; Economic Anthropology; Language; Social and Economic Stratification

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