debt will also have a loss." Reuters reported in October 2007 that a Merrill Lynch analyst too had warned in 2006 that companies could suffer from their subprime investments. The Economist magazine stated, "The worldwide rise in house prices is the biggest bubble in history", so any explanation needs to consider its global causes as well as those specific to the United States. The then Federal Reserve Board Chairman Alan Greenspan said in mid-2005 that "at a minimum, there's a little 'froth' (in the U.S. housing market) ... it's hard not to see that there are a lot of local bubbles"; Greenspan admitted in 2007 that froth "was a euphemism for a bubble". In early 2006, President Bush said of the U.S. housing boom: "If houses get too expensive, people will stop buying them ... Economies should cycle". Throughout the bubble period there was little if any mention of the fact that housing in many areas was (and still is) selling for well above replacement cost. On the basis of 2006 market data that were indicating a marked decline, including lower sales, rising inventories, falling median prices and increased foreclosure rates, some economists have concluded that the correction in the U.S. housing market began in 2006. A May 2006 Fortune magazine report on the US housing bubble states: "The great housing bubble has finally started to deflate ... In many once-sizzling markets around the country, accounts of dropping list prices have replaced tales of waiting lists for unbuilt condos and bidding wars over humdrum three-bedroom colonials." The chief economist of Freddie Mac and the director of Joint Center for Housing Studies (JCHS) denied the existence of a national housing bubble and expressed doubt that any significant decline in home prices was possible, citing consistently rising prices since the Great Depression, an anticipated increased demand from the Baby Boom generation, and healthy levels of employment. However, some have suggested that the funding received by JCHS from the real estate industry may have affected their judgment. David Lereah, former chief economist of the National Association of Realtors (NAR), distributed "Anti-Bubble Reports" in August 2005 to "respond to the irresponsible bubble accusations made by your local media and local academics". Among other statements, the reports stated that people "should [not] be concerned that home prices are rising faster than family income", that "there is virtually no risk of a national housing price bubble