„Management Matters.“ Rannsóknir World Management Survey staðfesta að betri stjórnendur skila betri rekstrarniðurstöðum. „Our preliminary results suggest that about a quarter of cross-country and within-country TFP gaps can be accounted for by management practices. Management seems to matter both qualitatively and quantitatively. Competition, governance, human capital and informational frictions help account for the variation in management. „