“There were three ways to cure this overhang: (1) blow up a lot of houses, a tactic similar to the destruction of autos that occurred with the “cash-for-clunkers” program; (2) speed up household formations by, say, encouraging teenagers to cohabitate, a program not likely to suffer from a lack of volunteers or; (3) reduce new housing starts to a number far below the rate of household formations.”
Berkshire Hathaway’s 2009 Annual Report (PDF)