A proposal from a former high-ranking official at S&P Global Ratings to reduce incentives for rating shopping has been met with skepticism and resistance from officials at other rating services. Howard Esaki, the former global head of securitization research at S&P Global Ratings, and Lawrence White, a professor of economics, NYU Stern School of Business, recently published a proposal to reform the process for how rating services are selected to grade MBS and ABS. They said...