Cognitive biases lead entrepreneurs to overinvest in their own companies, over exposing themselves to idiosyncratic risk. Our novel theoretical model explains entrepreneurial under-diversification by measuring the amount of potential bias in entrepreneurs' portfolio allocations brought about by...

Robo-advisors promise efficient, rational, and transparent investment advisory. We analyze how robo-advisors determine their users' risk tolerance and which equity exposure is derived from the individual risk profile. Our findings indicate significant differences in the quality of offered...