“…For example, a regulator may have efficient control on service providers by controlling demand for bribes from customers; however, meanwhile service providers could use bribes to build up political ties in order to secure their profits despite the presence of a strict regulatory agency. In the former case, more regulation control is correlated with less corruption at the regulated firm level, but in the 2 See, for example, Treisman (2000), Svensson, (2003), Clarke and Xu (2004), Aidt, Dutta, and Sena (2006), Beck, Demirguc-Kunt and Levine (2006), Fan, Lin, and Treisman (2009), Barth, Lin, Lin, and Song (2009) and Anbarci, Escaleras, and Register (2009). In addition, Dreher, Kotsogiannis, and McCorriston (2006) employ a structural model by treating corruption as a latent variable to derive an index of corruption.…”