mr. lubell. dr. wachter, can you discuss the structural barriers to the house in -- the housing recovery that may exist in the financial system? >> there is, right now, of course, a great deal of uncertainty about the future structure of the housing finance system, and while that might not be weaned on the housing prices at this moment, as we go forward, that is likely to be an increasingly important factor in the uncertainty of the future of housing prices. i would like to reiterate that housing is different than most commodities in that it is an asset. the price is very determined by households expectations of the future. for example, future scarcity of housing finance what impact housing prices today. >> mr. lubell, are there barriers to financing affordable rental housing in the credit market, and if so, how can they be overcome? >> the short answer is yes, there are barriers to financing affordable housing, particularly affordable rents in house will, but also honor- occupied housing. to some ex