and information has been exchanged). On the other hand, voluntary regimes are seen as constituting less of a burden for merging firms. See also Regulatory economics EU Horizontal Merger Guidelines US Horizontal Merger Guidelines Competition Law SSNIP References External links Mergerfilers a free information resource on merger regulations and decisions worldwide International Competition Network OECD Competition/Antitrust Policy Division Institute of Mergers, Acquisitions and Alliances (MANDA) M&A An academic research institute on mergers & acquisitions, incl. anti trust issues The European Commission Directorate General for Competition enforces merger control in the European Economic Area The Competition Commission controls and regulates mergers in the UK Mergers and acquisitions Competition law fr:Droit français de la concurrence#Contrôle des concentrations nl:Nederlandse Mededingingsautoriteit#Toetsing van concentraties