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Standard-Nutzungsbedingungen:Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. Terms of use: Documents in Managers and Productivity Di¤erencesNezih Guner, Andrii Parkhomenko and Gustavo Ventura March 2015 -PRELIMINARY AbstractWe document that mean earnings of managers grow faster than for non managers over the life cycle for a group of high-income countries. Furthermore, we …nd that the growth of earnings for managers (relative to non managers) is positively correlated with output per worker across these countries. We interpret this evidence through the lens of an equilibrium span-of-control model where managers invest in their skills. Central to our analysis is a complementarity between skills and investments in the production of new managerial skills that ampli…es initial di¤erences in skills over the life cycle. We discipline model parameters with observations on managerial earnings and the size-distribution of plants in the United States, and then use our framework to quantify the importance of (i) lower exogenous productivity di¤erences, and (ii) the size-dependent distortions emphasized in recent literature. Our …ndings show that both of these factors reduce managerial investments and lead to a lower earnings growth of managers relative to non managers. We also specialize the framework to evaluate the relative contribution of exogenous productivity versus size-dependent distortions for output and plant-size di¤erences between the U.S. and Japan. Our results show that exogenous productivity di¤erences account for about 80% of the output gap between these two countries. Size-dependent distortions are responsible for nearly all di¤erences in plant size.

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