To add to TG’s thread, I found this on Google:
Burns & Levinson LLP Asks, Does the Divorce Rate Go Up in a Recession? You Bet It Does – and Two-Income Couples Who Rushed to Refinance Mortgages are Vulnerable
Business Wire, Oct 1, 2002
I admit it is old, but I did not have time to do more thorough research. This factor should increase the amount of houses on the market, later if not sooner.