If Mr. Trump gets precisely the policies he says he wants, then the economy will suffer a recession.

Distressed properties are often vacant and in disrepair, and thus sold at significant discounts. As the share of distressed sales grows, home prices fall.

Lenders look at potential borrowers from many angles before extending credit: How much of its income will a household need to put into debt repayment? How large is the down payment? Does the borrower have a job with a stable income? What is the borrower's credit score?

There is no better way to quickly buoy hard-pressed homeowners than helping them take advantage of the currently record low fixed mortgage rates and significantly reduce their monthly mortgage payments.

The Bush tax cuts should be extended permanently for families with annual incomes of less than $250,000 and should be phased out slowly for those making more than that. Raising taxes on anyone now, when the economic recovery is so fragile, would be a mistake.

The key to house prices is the share of foreclosure or short sales in the total housing market. When that share rises, house prices will fall, because distressed properties sell for significantly less - currently around 25 percent below non-distressed houses.

There is plenty of blame to go around for the U.S. housing bubble, but not much of it belongs to Fannie Mae and Freddie Mac. The two giant housing-finance institutions made many mistakes over the decades, some of them real whoppers, but causing house prices to soar and then crater during the past decade weren't among them.