This year has clearly been a banner one for the subprime market – on both the origination and securitization fronts. But how long will the party last? That was the question on the minds of attendees at last week’s ABS East conference in Boca Raton, Florida, sponsored by Information Management Network. Talk focused on the possibility that rising interest rates, a sluggish economy, and slower home price appreciation rates could put the brakes on a…