Above posters/
1. Undergrads are generally free to take upper-level MBA (700 or above) courses. Oftentimes most MBA courses are cross-listed with undergraduate (200- or 300-level) courses.
Jay/
1. We say we went to Wharton as an undergrad. Source: http://www.vpul.upenn.edu/careerservices/files/WhartonSoph.pdf.
2. We work towards a B.Sc. in Economics, not a B.S. in Management. Management is just one of many concentrations out there. Source: http://www.wharton.upenn.edu/academics/.
3. Relative performance evaluation (RPE) tends to be more competitive for undergrads because MBAs generally don’t care about grading unless they fall in the lowest 10% (LT). Source: https://spike.wharton.upenn.edu/mbaprogram/academics/academic_standardsv1.cfm.