What Happens to the Housing Market When the Investors Leave?

U.S. News and World Report reports:

A key demographic impact of the housing and economic downturns of the last few years has been a reduced rate of household formation. While the nation's population has continued to grow, the number of independent households – both renters and owners – has not kept pace. According to data from the Census Bureau's American Community Survey (ACS), from 2006 to 2011 the population of the United States grew more than 4 percent. However, during that same period, there was only about 3 percent growth in the number of households.