MarketWatch Kamala Harris proposes cancelling $20,000 in student debt for these low-income borrowers, unleashing backlash on Twitter A borrower with $30,000 in student debt is 11% less likely to start a business than someone who graduated from college without loans, according to researchfrom Karthik Krishnan, a finance professor at Northeastern University’s De’Amore-McKim School of Business.