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Social Networking and Individual Outcomes Beyond the Mean Field Case

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Author Info
Yannis M. Ioannides
Adriaan R. Soetevent

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Abstract

This paper examines social interactions when social networking is endogenous. It employs a linear-quadratic model that accommodates contextual effects, and endogenous local inter- actions, that is where individuals react to the decisions of their neighbors, and endogenous global ones, where individuals react to the mean decision in the economy, both with a lag. Unlike the simple V AR(1) structural model of individual interactions, the planner's problem here involves intertemporal optimization and leads to a system of linear difference equations with expectations. It highlights an asset-like property of socially optimal outcomes in every period which helps characterize the shadow values of connections among agents. Endogenous networking is easiest to characterize when individuals choose weights of social attachment to other agents. It highlights a simultaneity between decisions and patterns of social at- tachment. The paper also poses the inverse social interactions problem, asking whether it is possible to design a social network whose agents' decisions will obey an arbitrarily specified variance covariance matrix.

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Paper provided by Department of Economics, Tufts University in its series Discussion Papers Series, Department of Economics, Tufts University with number 0521.

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Date of creation: 2005
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Handle: RePEc:tuf:tuftec:0521

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Related research
Keywords: Social Interactions Social Networks Neighborhood Effects Endogenous Net- working Social Intermediation Econometric Identification Strong versus Weak Ties Value of Social Connections.

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Find related papers by JEL classification:
D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation
A14 - General Economics and Teaching - - General Economics - - - Sociology of Economics
J0 - Labor and Demographic Economics - - General

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References listed on IDEAS
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. Roland Hodler & Kurt Schmidheiny, 2005. "How Fiscal Decentralization Flattens Progressive Taxes," CESifo Working Paper Series CESifo Working Paper No. , CESifo GmbH. [Downloadable!]
    Other versions:
  2. Yannis M. Ioannides, 2005. "Random Graphs and Social Networks: An Economics Perspective," Discussion Papers Series, Department of Economics, Tufts University 0518, Department of Economics, Tufts University. [Downloadable!]
  3. Sunghyun Henry Kim & Jinill Kim, 2005. "Welfare Effects of Tax Policy in Open Economies: Stabilization and Cooperation," Computing in Economics and Finance 2005 169, Society for Computational Economics. [Downloadable!]
    Other versions:
  4. Tom Downes & Shane Greenstein, 2005. "Understanding Why Universal Service Obligations May Be Unnecessary: The Private Development of Local Internet Access Markets," Discussion Papers Series, Department of Economics, Tufts University 0516, Department of Economics, Tufts University. [Downloadable!]
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  5. Chih Ming Tan, 2005. "No One True Path: Uncovering the Interplay between Geography, Institutions, and Fractionalization in Economic Development," Discussion Papers Series, Department of Economics, Tufts University 0512, Department of Economics, Tufts University. [Downloadable!]
  6. Gilbert E. Metcalf & Jongsang Park, 2005. "A Comment on the Role of Prices for Excludable Public Goods," Discussion Papers Series, Department of Economics, Tufts University 0524, Department of Economics, Tufts University. [Downloadable!]
    Other versions:
  7. Gilbert E. Metcalf, 2005. "Tax Reform and Environmental Taxation," Discussion Papers Series, Department of Economics, Tufts University 0519, Department of Economics, Tufts University. [Downloadable!]
    Other versions:
  8. Louise C. Keely & Chih Ming Tan, 2005. "Understanding Divergent Views on Redistribution Policy in the United States," Discussion Papers Series, Department of Economics, Tufts University 0515, Department of Economics, Tufts University. [Downloadable!]
  9. Karen Eggleston & Keqin Rao & Jian Wang, 2005. "From Plan to Market in the Health Sector? China's Experience," Discussion Papers Series, Department of Economics, Tufts University 0501, Department of Economics, Tufts University. [Downloadable!]
  10. Darlene Chisholm & George Norman, 2005. "When to Exit a Product: Evidence from the U.S. Motion-Pictures Exhibition Market," Discussion Papers Series, Department of Economics, Tufts University 0522, Department of Economics, Tufts University. [Downloadable!]
  11. Henry Kim & Jinill Kim & Robert Kollmann, 2005. "Applying Perturbation Methods to Incomplete Market Models with Exogenous Borrowing Constraints," Discussion Papers Series, Department of Economics, Tufts University 0504, Department of Economics, Tufts University. [Downloadable!]
  12. Chih Ming Tan & Louise C. Keely, 2004. "Understanding preferences for income redistribution," Econometric Society 2004 North American Summer Meetings 611, Econometric Society. [Downloadable!]
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  13. Yannis Ioannides & Esteban Rossi-Hansberg, 2005. "Urban Growth," Discussion Papers Series, Department of Economics, Tufts University 0513, Department of Economics, Tufts University. [Downloadable!]
  14. Timothy K.M. Beatty & Jay P. Shimshack & Michael B. Ward, 2005. "Are Mercury Advisories Effective? Information, Education, and Fish Consumption," Discussion Papers Series, Department of Economics, Tufts University 0502, Department of Economics, Tufts University. [Downloadable!]
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  15. Darlene C. Chisholm & Margaret S. McMillan & George Norman, 2006. "Product Differentiation and Film Programming Choice: Do First-Run Movie Theatres Show the Same Films?," NBER Working Papers 12646, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  16. repec:att:wimass:1920516 is not listed on IDEAS
  17. Antoni Calvo-Armengol & Yannis M. Ioannides, 2005. "Social Networks in Labor Markets," Discussion Papers Series, Department of Economics, Tufts University 0517, Department of Economics, Tufts University. [Downloadable!]
  18. Robert W. Paterson & Jeffrey E. Zabel, 2005. "The Effects of Critical Habitat Designation on Housing Supply: An Analysis of California Housing Construction Activity," Discussion Papers Series, Department of Economics, Tufts University 0514, Department of Economics, Tufts University. [Downloadable!]
  19. Henry Kim & Jinill Kim & Ernst Schaumburg & Christopher A. Sims, 2005. "Calculating and Using Second Order Accurate Solutions of Discrete Time Dynamic Equilibrium Models," Discussion Papers Series, Department of Economics, Tufts University 0505, Department of Economics, Tufts University. [Downloadable!]
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  20. Steven N. Durlauf & Andros Kourtellos & Chih Ming Tan, 2005. "Empirics of Growth and Development," Discussion Papers Series, Department of Economics, Tufts University 0520, Department of Economics, Tufts University. [Downloadable!]
  21. Kurt Schmidheiny, 2005. "Income Segregation from Local Income Taxation When Households Differ in Both Preferences and Incomes," Discussion Papers Series, Department of Economics, Tufts University 0509, Department of Economics, Tufts University. [Downloadable!]
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  22. Henry Kim & Soyoung Kim & Yunjong Wang, 2005. "Fear of Floating in East Asia," Discussion Papers Series, Department of Economics, Tufts University 0507, Department of Economics, Tufts University. [Downloadable!]
  23. Henry Kim & Soyoung Kim & Yunjong Wang, 2005. "International Capital Flows and Boom-Bust Cycles in the Asia Pacific Region," Discussion Papers Series, Department of Economics, Tufts University 0506, Department of Economics, Tufts University. [Downloadable!]
  24. Binder, Michael & Pesaran, M. Hashem, 2001. "Life-cycle consumption under social interactions," Journal of Economic Dynamics and Control, Elsevier, vol. 25(1-2), pages 35-83, January. [Downloadable!] (restricted)
  25. Steven N. Durlauf & Andros Kourtellos & Chih Ming Tan, 2005. "How Robust Are the Linkages Between Religiosity and Economic Growth," Discussion Papers Series, Department of Economics, Tufts University 0510, Department of Economics, Tufts University.
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(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. Gilbert E. Metcalf & Jongsang Park, 2005. "A Comment on the Role of Prices for Excludable Public Goods," Discussion Papers Series, Department of Economics, Tufts University 0524, Department of Economics, Tufts University. [Downloadable!]
    Other versions:
  2. Yann Bramoullé & Habiba Djebbari & Bernard Fortin, 2007. "Identification of Peer Effects through Social Networks," Cahiers de recherche 0705, CIRPEE. [Downloadable!]
    Other versions:
  3. Darlene Chisholm & George Norman, 2005. "When to Exit a Product: Evidence from the U.S. Motion-Pictures Exhibition Market," Discussion Papers Series, Department of Economics, Tufts University 0522, Department of Economics, Tufts University. [Downloadable!]
  4. Darlene C. Chisholm & Margaret S. McMillan & George Norman, 2005. "Product Differentiation and Film Programming Choice: Do First-Run Movie Theatres Show the Same Films?," Discussion Papers Series, Department of Economics, Tufts University 0523, Department of Economics, Tufts University. [Downloadable!]
    Other versions:
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