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This paper investigates trading around Corporate Social Responsibility (CSR) rating announcements. Focusing on CSR rating announcements made by Vigeo on European markets, we use Euronext intraday data to prove that trading volume drops sharply before announcements and increases afterwards. Willingness to trade depends mainly on prior private information and the content of the announcement. Our results show effects from disaggregated scores, but not from overall scores. More specifically, we find that some topics like business behaviour, human resources and human rights significantly influence investor trades. Environmental risk does not have an impact on trading behaviour.

Many studies have attempted to explain the long-term underperformance phenomenon of initial public offerings (IPOs). In this paper, we use the specificities of the French market to analyze whether the control-ownership wedge explains IPO long-run performance. Moreover, we investigate whether this relationship is driven by high-tech firms. Using data from a sample of 402 French high-tech and non-high-tech IPOs that went public during 1997-2011, we find that the separation of ownership and control rights of the largest shareholder is negatively associated with long-term performance of French IPOs. This finding indicates that IPOs with disproportional ownership structure underperform other firms in the one- to five-year period following the initial offering. Such separation increases the likelihood that controlling shareholders extract private benefits of control to the detriment of minority shareholders, leading to a low long-term performance. The empirical findings also show that our conclusions are not driven by high-tech firms.