NAR Admits to Data "Drift" Which Led to Overstating Home Sales By 1.6 Million in 2010

As Yale economist Robert Shiller of the eponymous Case-Shiller Home Price Index worries there is a "substantial risk" that home prices are going to fall another 15, 20, or even 25%, the National Association of Realtors is admitting that there may be some "drift" to its "data," as well as methodology issues which has led to overstating home sales by 13% in the last revision to data going back to