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An Attempt to Disperse the Italian Interlocking Directorship Network: Analyzing the Effects of the 2011 Reform

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  • Drago, Carlo
  • Ricciuti, Roberto
  • Santella, Paolo

Abstract

The purpose of this paper is to analyze the effects on the Italian directorship network of the corporate governance reform that was introduced in Italy in 2011 to prevent interlocking directorships in the financial sector. Interlocking directorships are important communication channels among companies and may have anticompetitive effect. We apply community detection techniques to the analysis of the networks in 2009 and 2012 to ascertain the effect of the reform. We find that, although the number of interlocking directorships decreases in 2012, the reduction takes place mainly at the periphery of the network whereas the network core is stable, allowing the most connected companies to keep their strategic position.

Suggested Citation

  • Drago, Carlo & Ricciuti, Roberto & Santella, Paolo, 2016. "An Attempt to Disperse the Italian Interlocking Directorship Network: Analyzing the Effects of the 2011 Reform," Economy and Society 230584, Fondazione Eni Enrico Mattei (FEEM).
    • Handle: RePEc:ags:feemso:230584
    DOI: 10.22004/ag.econ.230584
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    File URL: http://ageconsearch.umn.edu/record/230584/files/NDL2015-082.pdf
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    References listed on IDEAS

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    1. Alessandro Gambini & Emma Sarno & Alberto Zazzaro, 2012. "Composizione e struttura di rete tra le societa' quotate in Italia," Mo.Fi.R. Working Papers 63, Money and Finance Research group (Mo.Fi.R.) - Univ. Politecnica Marche - Dept. Economic and Social Sciences.
    2. Santella, Paolo & Drago, Carlo & Polo, Andrea & Gagliardi, Enrico, 2009. "A Comparison among the director networks in the main listed companies in France, Germany, Italy, and the United Kingdom," MPRA Paper 16397, University Library of Munich, Germany.
    3. Piccardi, Carlo & Calatroni, Lisa & Bertoni, Fabio, 2010. "Communities in Italian corporate networks," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 389(22), pages 5247-5258.
    4. Santella, Paolo & Drago, Carlo & Polo, Andrea, 2007. "The Italian Chamber of Lords Sits on Listed Company Boards: An Empirical Analysis of Italian Listed Company Boards from 1998 to 2006," MPRA Paper 2265, University Library of Munich, Germany.
    5. Luca Enriques & Paolo Volpin, 2007. "Corporate Governance Reforms in Continental Europe," Journal of Economic Perspectives, American Economic Association, vol. 21(1), pages 117-140, Winter.
    6. Milakovic, Mishael & Alfarano, Simone & Lux, Thomas, 2011. "The small core of the German corporate board network: New evidence from 2010," Kiel Working Papers 1740, Kiel Institute for the World Economy (IfW).
    7. Drago, Carlo & Millo, Francesco & Ricciuti, Roberto & Santella, Paolo, 2015. "Corporate governance reforms, interlocking directorship and company performance in Italy," International Review of Law and Economics, Elsevier, vol. 41(C), pages 38-49.
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    11. Avanidhar Subrahmanyam, 2008. "Social Networks and Corporate Governance," European Financial Management, European Financial Management Association, vol. 14(4), pages 633-662, September.
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    13. Raffaele Corrado & Maurizio Zollo, 2006. "Small worlds evolving: governance reforms, privatizations, and ownership networks in Italy," Industrial and Corporate Change, Oxford University Press, vol. 15(2), pages 319-352, April.
    14. Rinaldi, Alberto & Vasta, Michelanelo, 2005. "The Structure of Italian Capitalism, 1952 1972: New Evidence Using the Interlocking Directorates Technique," Financial History Review, Cambridge University Press, vol. 12(02), pages 173-198, October.
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    16. Farina, Vincenzo, 2008. "Banks’ centrality in corporate interlock networks: evidences in Italy," MPRA Paper 11698, University Library of Munich, Germany.
    17. Milaković, Mishael & Raddant, Matthias & Birg, Laura, 2009. "Persistence of a network core in the time evolution of interlocking directorates," Economics Working Papers 2009-10, Christian-Albrechts-University of Kiel, Department of Economics.
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    Cited by:

    1. Drago, Carlo, 2015. "Exploring the Community Structure of Complex Networks," MPRA Paper 81024, University Library of Munich, Germany.
    2. repec:kap:jmgtgv:v:22:y:2018:i:2:d:10.1007_s10997-017-9392-6 is not listed on IDEAS
    3. Drago, Carlo, 2015. "Exploring the Community Structure of Complex Networks," MPRA Paper 81024, University Library of Munich, Germany.

    More about this item

    Keywords

    Financial Economics;

    JEL classification:

    • C33 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Models with Panel Data; Spatio-temporal Models
    • G34 - Financial Economics - - Corporate Finance and Governance - - - Mergers; Acquisitions; Restructuring; Corporate Governance
    • G38 - Financial Economics - - Corporate Finance and Governance - - - Government Policy and Regulation
    • L14 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Transactional Relationships; Contracts and Reputation

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