Cohort Turnover and Operational Performance: The July Phenomenon in Teaching Hospitals

50 Pages Posted: 19 Sep 2017 Last revised: 12 Mar 2018

See all articles by Hummy Song

Hummy Song

The Wharton School, University of Pennsylvania - Operations, Information and Decisions Department

Robert S. Huckman

Harvard Business School; National Bureau of Economic Research (NBER)

Date Written: January 26, 2018

Abstract

We consider the impact of cohort turnover on operational performance in the context of teaching hospitals. Using 12 years of data from a sample of U.S. hospitals, we show that the annual July turnover of residents results in longer lengths of stay, though not a significant change in mortality rates. In major teaching hospitals, we find evidence of an anticipation effect that presents as a gradual decrease in operational performance beginning several months before the actual cohort turnover. We also identify managerial levers for mitigating the decrease in hospital operational performance both at the time of and in the months leading up to the cohort turnover.

Keywords: health care management, operations strategy, empirical research, service operations

Suggested Citation

Song, Hummy and Huckman, Robert S., Cohort Turnover and Operational Performance: The July Phenomenon in Teaching Hospitals (January 26, 2018). Available at SSRN: https://ssrn.com/abstract=3037753 or http://dx.doi.org/10.2139/ssrn.3037753

Hummy Song (Contact Author)

The Wharton School, University of Pennsylvania - Operations, Information and Decisions Department ( email )

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Robert S. Huckman

Harvard Business School ( email )

Technology & Operations Management
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Boston, MA 02163
United States

National Bureau of Economic Research (NBER)

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