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    Cohort Turnover and Productivity: The July Phenomenon in Teaching Hospitals
    10 Jun 2014Working Paper Summaries

    Cohort Turnover and Productivity: The July Phenomenon in Teaching Hospitals

    by Robert S. Huckman, Hummy Song and Jason R. Barro
    The authors focus on the effects of turnover in a particularly high-stakes setting: teaching hospitals. Specifically, the authors examine the effects on productivity of cohort turnover, in this case, medical residents and fellows-and a similarly sized entry of new residents and fellows.
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    Author Abstract

    We consider the impact of cohort turnover—the planned simultaneous exit of a large number of experienced employees and a similarly sized entry of new workers—on productivity in the context of teaching hospitals. Specifically, we examine the impact of the annual July turnover of residents in American teaching hospitals on levels of resource utilization and quality relative to a control group of non-teaching hospitals. We find that, despite the anticipated nature of the cohort turnover and the supervisory structures that exist in teaching hospitals, this annual cohort turnover results in increased resource utilization (i.e., longer length of hospital stay) for both minor and major teaching hospitals and decreased quality (i.e., higher mortality rates) for major teaching hospitals. Particularly in major teaching hospitals, we find evidence of a gradual trend of decreasing performance that begins several months before the actual cohort turnover and may result from a transition of responsibilities at major teaching hospitals in anticipation of the cohort turnover.

    Paper Information

    • Full Working Paper Text
    • Working Paper Publication Date: May 2014
    • HBS Working Paper Number: 14-113
    • Faculty Unit(s): Technology and Operations Management
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    Robert S. Huckman
    Robert S. Huckman
    Albert J. Weatherhead III Professor of Business Administration
    Howard Cox Healthcare Initiative Faculty Chair
    Unit Head, Technology and Operations Management
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