“…However, competition should increase in all other clearing and settlement services at the domestic level, but even more so at the European level. An abuse of the clearing and settlement institutions' monopoly position can be contained by regulating the terms and pricing of access (see also Milne, 2007b;Juranek and Walz, 2010) and by careful scrutiny of potential antitrust practices by the competition authorities 8 . Serifsoy and Weiß (2007) find that market forces coupled with a regulatory framework can provide for a contestable monopolies outcome that ensures a high degree of static, dynamic, and systemic efficiency.…”