Economists with the Federal Reserve Bank of Atlanta released a study this week that could spur policymakers to again question the value of the GSEs’ role in the mortgage market. According to the recent paper authored by Karsten Jeske and Dirk Krueger, entitled “Housing and the Macroeconomy: The Role of Implicit Guarantees for GSEs,” the economists determined that the funding advantages enjoyed by Fannie Mae and Freddie Mac do not necessarily make housing more affordable…