This year’s booming residential mortgage market has been very good to the GSEs. While new mortgage originations were up a very healthy 73 percent in the first three quarters of 2003, GSE purchases of mortgages were up even more – some 97 percent. The result was that the share of new mortgage originations flowing to the GSEs jumped from 57 percent a year ago to a record-breaking 67 percent level this year. For the