Research by two economists in the CFPB’s Office of Research found that many homebuyers do not shop around for a mortgage, and that costs them a pretty penny. “Close to half of consumers did not shop before taking out a mortgage,” CFPB economists Alexei Alexandrov and Sergei Koulayev said in a new white paper. They cited the National Survey of Mortgage Originations, a representative survey conducted jointly by the bureau and the Federal Housing Finance Agency, which found that almost half of consumers “seriously considered” only one lender before making a choice. Also, “Barely any consumers considered more than three lenders,” the economists added. “Worse, many consumers do not seem to realize that there is price dispersion.” In other words, ...