Why do state disability application rates vary over time?
Coe, Norma B., Kelly Haverstick, Alicia Haydock Munnell, and Anthony Webb. “Why do state disability application rates vary over time?”. Issue in Brief 12-2, Chestnut Hill, Mass.: Center for Retirement Research at Boston College, January 2012. http://hdl.handle.net/2345/bc-ir:103939.