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L’état des travaux de recherche relatifs à la contribution des investisseurs activistes | En rappel

6 novembre 2015

Ainsi que mon billet du 19 août 2014 en faisait état, le débat est de plus en plus vif en ce qui regarde la contribution des « Hedge Funds » à l’amélioration de la performance à long terme des entreprises ciblées.

Vous trouverez, ci-dessous, un court billet de Martin Lipton, partenaire fondateur de la firme Wachtell, Lipton, Rosen & Katz, paru sur le site du Harvard Law School Forum on Corporate Governance, qui décrit la problématique et les principaux enjeux liés au comportement des investisseurs « activistes ».

L’auteur accorde une grande place aux travaux d’Yvan Allaire et de François Dauphin de l’IGOPP (Institut sur la Gouvernance d’Organisations Privées et Publiques) qui pourfendent l’approche économétrique de la recherche phare de Bebchuk-Brav-Jiang.

Le résumé ci-dessous relate les principaux jalons relatifs à cette saga !

The post puts forward criticism of an empirical study by Lucian Bebchuk, Alon Brav, and Wei Jiang on the long-term effects of hedge fund activism; this study is available here, and its results are summarized in a Forum post and in a Wall Street Journal op-ed article. As did an earlier post by Mr. Lipton available here, this post relies on the work of Yvan Allaire and François Dauphin that is available here. A reply by Professors Bebchuk, Brav, and Jiang to this earlier memo and to the Allaire-Dauphin work is available here. Additional posts discussing the Bebchuk-Brav-Jiang study, including additional critiques by Wachtell Lipton and responses to them by Professors Bebchuk, Brav, and Jiang, are available on the Forum here.

 

The Long-Term Consequences of Hedge Fund Activism

The experience of the overwhelming majority of corporate managers, and their advisors, is that attacks by activist hedge funds are followed by declines in long-term future performance. Indeed, activist hedge fund attacks, and the efforts to avoid becoming the target of an attack, result in increased leverage, decreased investment in CAPEX and R&D and employee layoffs and poor employee morale.

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Several law school professors who have long embraced shareholder-centric corporate governance are promoting a statistical study that they claim establishes that activist hedge fund attacks on corporations do not damage the future operating performance of the targets, but that this statistical study irrefutably establishes that on average the long-term operating performance of the targets is actually improved.

In two recent papers, Professor Yvan Allaire, Executive Chair of the Institute for Governance of Private and Public Organizations, has demonstrated that the statistics these professors rely on to support their theories are not irrefutable and do not disprove the real world experience that activist hedge fund interventions are followed by declines in long-term operating performance. The papers by Professor Allaire speak for themselves:

“Activist” hedge funds: creators of lasting wealth? What do the empirical studies really say?

Hedge Fund Activism and their Long-Term Consequences; Unanswered Questions to Bebchuk, Brav and Jiang

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