Thank you guys for information sharing
The following is what I think about MAPSS program-Economics concentration
The MAPSS program (especially economics concentration) is really mathematics intensive and ,of course, very competitive. Since the courses are the same with doctoral students, it has a huge work load. Therefore, it gives a special opportunity to learn. By the time, no data exists on the acceptance rates for PhD positions after the economics program. However, considering the reputation of the U of Chicago's Department of economics and the historical acceptance rates of other MAPSS concentrations, I guess it will finally end up with great admissions. The professors and staffs try to prepare students for a prestigious PhD program. Therefore, I think it would be a great terminal program if you want to pursue your education in a top-ranked university.