<human>:  Which is the best university to study business in the USA?
<bot>: The answer to this question depends on a variety of factors. Among the top business schools in the United States, some of the most highly-ranked options include Harvard Business School, Stanford Graduate School of Business, University of Pennsylvania's Wharton School, Northwestern University's Kellogg School of Management, and Massachusetts Institute of Technology's Sloan School of Management. All of these schools are excellent choices for those seeking to study business in the US.