Are mergers and acquisitions significant events that develop informativeness? Is the informativeness process the same in different countries? Looking only at cumulative abnormal returns (CARs) is insufficient and the results are sometimes contradictory. To answer to these questions we use the...

We examine how ownership concentration and the separation of ownership and control affect market liquidity in France. We find that firms with a large insider blockholder exhibit significantly lower liquidity. Different methods of concentrating control affect liquidity in different ways. Pyramid...

We examine how ownership concentration and the separation of ownership and control affect secondary-market liquidity in France. We find that firms with a large insider blockholder exhibit significantly lower liquidity. However, different methods of enhancing control affect liquidity in different...

Having been introduced in the European Union and in many other countries, the equal opportunity rule is seen as protecting investors in the event of a transfer of control. This rule should be analyzed in a context of appropriation of private benefits between the new controlling shareholders and...

The equal opportunity rule is seen as protecting investors in the event of a transfer of control. In order to better analyze the consequence of such a rule, we need to account for the information asymmetry that exists between new controlling shareholders and outside investors with private...

Financial valuation methods use additive aggregation operators. But a patrimony should be regarded as an organized set, and additivity makes it impossible for these aggregation operators to formalize such phenomena as synergy or mutual inhibition between the patrimony’s components. This paper...

This paper aims at understanding what the consequences are of cultural diversity on co-operative relationships. Co-operation is considered through two different modes: the first one, called community based co-operation, is based on the need for belonging and the second mode, called complementary...

In the theoretical framework of corporate governance this article studies the efficiency of the control exerted by the ownership structure and the board of directors on managers. The confrontation of entrenchment theory and agency theory allows to determine the necessary conditions of the...