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Does Social Capital reduce moral hazard? A network model for non-life insurance demand

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Author Info
Giacomo Pasini () (Department of Economics, University Of Venice Cà Foscari, Economics and Organization, School for Advanced Studies in Venice)
Giovanni Millo (Research Department, Generali S.p.A.)

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Abstract

We study is the effect of moral hazard involved in non market contracts on the demand for marketed contracts. We extend Arnott and Stiglitz model on the coexistence of market and non-market insurance contracts to allow for the presence of Social Capital as a determinant of the severity of moral hazard in informal contracts. We provide a rigorous definition of Social Network and Social Capital by means of an equilibrium concept typical of the Network literature. Such a formal approach gives us a clear guidance for measuring Social Capital and validate the model on empirical data. The model is estimated on a panel dataset, supporting our claim that Social Capital increases the demand for non-life insurance. We test for the presence of spatial correlation, and conclude that the spatial structure of demand for non-life insurance contracts is completely determined by the spatial distribution of Social Capital.

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Publisher Info
Paper provided by University of Venice "Ca' Foscari", Department of Economics in its series Working Papers with number 2006_59.

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Length: 33
Date of creation: 2006
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Handle: RePEc:ven:wpaper:2006_59

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Related research
Keywords: Insurance; Social Capital; Network stability; Spatial Panel data model;

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Find related papers by JEL classification:
C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models
D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation
G22 - Financial Economics - - Financial Institutions and Services - - - Insurance; Insurance Companies
Z13 - Other Special Topics - - Cultural Economics - - - Social Norms and Social Capital; Social Networks Economic Anthropology

References listed on IDEAS
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  1. Luigi Guiso & Paola Sapienza & Luigi Zingales, 2004. "The Role of Social Capital in Financial Development," American Economic Review, American Economic Association, vol. 94(3), pages 526-556, June. [Downloadable!]
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  2. Elhorst, J. Paul, 2001. "Panel data models extended to spatial error autocorrelation or a spatially lagged dependent variable," Research Report 01C05, University of Groningen, Research Institute SOM (Systems, Organisations and Management). [Downloadable!]
  3. Arnott, Richard J & Stiglitz, Joseph E, 1988. " The Basic Analytics of Moral Hazard," Scandinavian Journal of Economics, Blackwell Publishing, vol. 90(3), pages 383-413.
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  4. Arnott, Richard & Stiglitz, Joseph E, 1991. "Moral Hazard and Nonmarket Institutions: Dysfunctional Crowding Out or Peer Monitoring?," American Economic Review, American Economic Association, vol. 81(1), pages 179-90, March. [Downloadable!] (restricted)
  5. Vega-Redondo, Fernando, 2006. "Building up social capital in a changing world," Journal of Economic Dynamics and Control, Elsevier, vol. 30(11), pages 2305-2338, November. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Paolo Buonanno & Giacomo Pasini & Paolo Vanin, 2008. "Crime and Social Sanction," "Marco Fanno" Working Papers 0071, Dipartimento di Scienze Economiche "Marco Fanno". [Downloadable!]
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