More needs to be done to incorporate affordable rental units into all geographic areas, according to Freddie Mac, which released a series of white papers last week focusing on the underserved multifamily housing markets. The GSE is publishing a total of eight papers as part of its duty-to-serve initiative to bring the issue of affordable apartments to the forefront. One of the papers explored how state housing finance agencies help guide low-income housing tax credit investment to high-income ...