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Interlocking directorates in Irish companies using bipartite networks: a latent space approach

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SNAW05 - Bayesian methods for networks

Co-authors: Nial Friel (University College Dublin), Riccardo Rastelli (University College Dublin), Jason Wyse (Trinity College Dublin)

We analyze the temporal bipartite network of the leading Irish com- panies and their directors from 2003 to 2013, encompassing the end of the Celtic Tiger boom and the ensuing nancial crisis in 2008. We focus on the evolution of company interlocks, whereby a company director simultaneously sits on two or more boards. We develop a novel statistical model for this dataset by embedding the positions of companies and directors in a latent space. A useful aspect of our modelling approach is that it accommodates the development of metrics which can be used to assess the extent of interlocking over time.

This talk is part of the Isaac Newton Institute Seminar Series series.

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