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Network Formation and Disruption - An Experiment - Are Efficient Networks too Complex?

Author

Listed:
  • Sonja Brangewitz
  • Behnud Mir Djawadi
  • Angelika Endres
  • Britta Hoyer

Abstract

We experimentally study the emergence of networks under a known external threat. To be more specific, we deal with the question if subjects in the role of a strategic Designer are able to form safe and efficient networks while facing a strategic Adversary who is going to attack their networks. This investigation relates theoretical predictions by Dziubinski and Goyal (2013) to actual observed behaviour. Varying the costs for protecting nodes, we designed and tested two treatments with different predictions for the equilibrium network. Furthermore, the influence of the subjects' farsightedness on their decision-making process was elicited and analysed. We find that while subjects are able to build safe networks in both treatments, equilibrium networks are only built in one of the two treatments. In the other treatment, predominantly safe networks are built but they are not efficient. Additionally, we find that farsightedness -as measured in our experiment- has no influence on whether subjects are able to build safe or efficient networks.

Suggested Citation

  • Sonja Brangewitz & Behnud Mir Djawadi & Angelika Endres & Britta Hoyer, 2017. "Network Formation and Disruption - An Experiment - Are Efficient Networks too Complex?," ETA: Economic Theory and Applications 258012, Fondazione Eni Enrico Mattei (FEEM).
    • Handle: RePEc:ags:feemth:258012
    DOI: 10.22004/ag.econ.258012
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    Cited by:

    1. Britta Hoyer & Stephanie Rosenkranz, 2018. "Determinants of Equilibrium Selection in Network Formation: An Experiment," Games, MDPI, vol. 9(4), pages 1-25, November.

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    Research Methods/ Statistical Methods;

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