U.S. housing prices may decline "a little" within the next year, but any such drop is likely to be mild and inconsistent with a bursting housing bubble, according to a paper written by a Federal Reserve economist.Based on an analysis of housing futures and options and derivatives of housing-related company shares, "market participants expect home prices to decelerate sharply or actually decline a little within the next year," wrote J. Benson Durham, an economist with the Fed's monetary affairs division. However, the anticipated drop in prices "is mild compared to some estimates of the purported overvaluation of the housing market," he added. The paper, dated September, was posted on the Fed's Web site Thursday.