“…Moreover, there is a large theoretical and empirical literature on mergers reporting very diverse effects with respect to welfare as well as insider and outsider profits depending on which aspects are relevant for a given merger. Examples of such aspects are collusion (Miller and Weinberg, 2014), quantity vs. price competition (Salant et al, 1983, Deneckere andDavidson, 1985), synergies (Banerjee andEckard, 1998, Farrell andShapiro, 2001), integration cost (Huck et al, 2004), internal capital-allocation (Mialon, 2008), strategic market power (Huck et al, 2001), internal conflict (Banal-Estañol et al, 2008), managerial incentives (Faulí-Oller andMotta, 1996, Kräkel andMüller, 2014), managerial synergies (Matsusaka, 1993), entry and exit (Davidson and Mukherjee, 2007), managerial hubris (Roll, 1986), technology (Lahiri and Ono, 1988), firm-internal competition (Creane and Davidson, 2004), multi-market presence (Werden et al, 1991), learning (Vermeulen and Barkema, 2001), union organization (Lommerud et al, 2001) or uncertainty (Amir et al, 2009). See Datta et al (1992) for a meta-analysis.…”