Direct-mail advertising campaigns touting refinances help prompt borrowers to refi, according to a study by economists at the Federal Reserve. They added that policymakers should consider making it easier for lenders to target borrowers for refis. Seran Grundl and You Suk Kim, economists at the Fed, authored a recent working paper that examined how borrowers react to receiving ads in the mail for refinances. They said the effect of advertising on consumer mistakes and ...