How a New Bond Can Greatly Improve Retirement Security: Brazil recently signed a decree to create the Retirement Security Bond that Arun Muralidhar, the co-founder of AlphaEngine Global Investment Solutions, first laid out in 2015 on a napkin. In the years since, Muralidhar has collaborated with Nobel Laureate Robert Merton, on making the bond a reality. In this interview, Muralidhar explains how the Retirement Security Bond works and how Brazil created its version of the bond to improve retirement security.