Firms' competitive advantages are unsustainable when competitors poach their employees away to study and recreate those advantages. We document inter-firm knowledge spillovers through labor mobility in the mutual fund industry. About one quarter of the competitive advantage of the originating...

Firms' competitive advantages are unsustainable when competitors poach their employees away to learn about their organization processes. We document inter-firm knowledge spillovers through such personnel moves in the mutual fund industry. Almost two thirds of the competitive advantage of the...