“…Peers share knowledge, provide help, and set performance expectations (e.g., Herbst & Mas, ; Housman & Minor, ; Mas & Moretti, ). Similarly, much of the value of startup incubators and accelerators is derived from the new social interactions they engineer between nascent entrepreneurs (Chatterji, Delecourt, Hasan, & Koning, ; Hallen, Bingham, & Cohen, ; Hasan & Koning, ). However, when researchers have tried to engineer peer effects in other contexts, they have often failed (Carrell, Sacerdote, & West, ).…”