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An experimental device to elicit social networks

Author

Listed:
  • Pablo Brañas-Garza

    (Department of Economic Theory and Economic History, University of Granada)

  • Ramón Cobo-Reyes

    (Department of Economic Theory and Economic History, University of Granada)

  • Natalia Jiménez

    (Universidad de Granada)

  • Giovanni Ponti

    (Universidad de Alicante y Ferrara)

Abstract
This paper proposes an original mechanism to elicit latent social networks. Subjects are invited to reveal their friends’ name and surname, together with a score measuring the strength of relationship. According to the mechanism, subjects are rewarded of a fixed price either a) when they do not name anybody or b) when the scores of a randomly selected (bidirectional) link are sufficiently close. We test the mechanism’s performance in the field. Our main results are: i) a very large percentage of links (75%) were corresponded. ii) the mechanism largely captures strong friendship relations and practically ignores weak relations. A simple model of friend—regarding preferences is developed to explain this evidence.

Suggested Citation

  • Pablo Brañas-Garza & Ramón Cobo-Reyes & Natalia Jiménez & Giovanni Ponti, 2005. "An experimental device to elicit social networks," ThE Papers 05/19, Department of Economic Theory and Economic History of the University of Granada..
    • Handle: RePEc:gra:wpaper:05/19
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    References listed on IDEAS

    as
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    More about this item

    Keywords

    friendship; networks; experiments; other—regarding preferences.;
    All these keywords.

    JEL classification:

    • C93 - Mathematical and Quantitative Methods - - Design of Experiments - - - Field Experiments
    • D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation
    • Z13 - Other Special Topics - - Cultural Economics - - - Economic Sociology; Economic Anthropology; Language; Social and Economic Stratification

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