I realize many of you are anxious about Ross preadmit, but please try to focus your responses on the OP’s question. If you have personal questions about when and how the OP was preadmitted into Ross, PM him.
Howiewu22,Ross will have better placement than Northwestern Econ. I am not sure about the certificate program though. Students in one of the two Kellogg Certificate programs may have similar professional placement opportunities as Ross students, although I doubt it. That being said, I was under the impression that the Kellogg Certificate programs were hard to get into. If that is the case, Ross would be a safer bet as you have been preadmitted into Ross.