Finally, I talked to Yosuke Morishima, a post-doctoral student in micro economics and experimental economic research at the University of Zurich, who told me about a classic behavioral economics study conducted in the mid 1980s.
The I-Corps teams, selected from science and engineering applicants who are current or former NSF grantees, comprise just a principal investigator (usually a tenured professor), a younger entrepreneurial lead (undergraduate, graduate or post-doctoral student) and an experienced entrepreneur or venture capitalist as a mentor.