“Calculating Neutral Increases in Retirement Age by Socioeconomic Status,” by Geoffrey T. Sanzenbacher, Anthony Webb, Candace M. Cosgrove and Natalia S. Orlova (WP 2015-21, August 2015, .pdf format, 27p.). Note: Links to the abstract and the full text of the paper available at:
crr.bc.edu/working-papers/calculating-neutral-increases-in-retirement-age-by-socioeconomic-status/