The Bear Stearns bailout created an implicit guarantee that will create a great deal of moral hazard unless we smartly regulate investment banks in a way that doesn't destroy their value; so say Dwight Jaffee and Mark Perlow.

"This paper analyzes options for reforming the U.S. housing finance system in view of the failure of Fannie Mae and Freddie Mac as government sponsored enterprises (GSEs). The options considered include GSE reform, a range of possible new governmental mortgage guarantee plans, and greater...