"Urban economists understand housing prices with a spatial equilibrium approach that assumes people must be indifferent across locations. Since the spatial no arbitrage condition is inherently imprecise, other economists have turned to different no arbitrage conditions, such as the prediction...

Home equity conversion as presently constituted or proposed usually does not deal well with the potential problem of moral hazard. Once home-owners know that the risk of poor market performance of their homes is borne by investors, they have an incentive to neglect to take steps to maintain the...