This is the accepted version of the paper.This version of the publication may differ from the final published version. To answer this question I draw on two political economy literatures. The first is sociological constructivism. This is a broad group that includes work by Blyth (1997), Chwieroth (2010), Dobbin (1994, Sikkink (1998, 2001), Jacobs (2008), McNamara (1998McNamara ( , 2002, Windmaier, Blyth and
Permanent repository linkSeabrooke (2007), and Yee (1996). One important component of this literature is the assertion that new, socially spread ideas (see Fligstein, 2001) can shape policymakers' understanding of how policies achieve their goals. Ideas can change what policies actors are likely to prefer and implement. According to this approach, the promotion of the SEC or FSA models as "best practice" by prominent and powerful international institu-