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Efficiency Bound for Social Interaction Models with Network Structures

Author

Listed:
  • Ryota Ishikawa

    (Graduate School of Economics, Waseda University)

Abstract

Bramoull´e et al. (2009) considered a linear social interaction model with network structures under complete information. However, their model is not appropriate for the case where the individual outcome is not completely observed or not precisely predictable by the other individuals in the same group. In this paper, we consider a linear social interaction model with network structures under incomplete information and derive the efficiency bound. The efficiency bound for the model considered in this paper had not been derived before. We also provide a sufficient condition for the existence of the efficiency bound.

Suggested Citation

  • Ryota Ishikawa, 2025. "Efficiency Bound for Social Interaction Models with Network Structures," Working Papers 2524, Waseda University, Faculty of Political Science and Economics.
    • Handle: RePEc:wap:wpaper:2524
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    References listed on IDEAS

    as
    1. Severini, Thomas A. & Tripathi, Gautam, 2001. "A simplified approach to computing efficiency bounds in semiparametric models," Journal of Econometrics, Elsevier, vol. 102(1), pages 23-66, May.
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