This article presents, in a pedagogical manner, the objectives of mergers and acquisitionsd, the different modes of external growth, and the consequences of the operations from the point of view of firms implied as well as their competitors. These questions are treated in a pedagogical and rigourous manner.
CHARLETY-LEPERS, P. and SOUAM, S. (2003). Fusions-acquisitions. In: Encyclopaedia Universalis. 1st ed. Financial Management Association (FMA).