“…The implied fragility of the arrangements suggests a heightened need to intervene in the face of 20 See Rothschild and Stiglitz (1970). 21 See, in addition to Udry (1994), Genicot and Ray (2003), Murgai et al (2002), Park (2006), Fafchamps and Lund (2003), and references within these works. The papers in this area cover many different types of community, from Pakistani (Murgai) to Bangladesh (Park) to the Philippines (Fafchamps and Lund) and many others, reviewed in Banerjee and DuFlo's discussion.…”