Moscelli, GiuseppeSayli, MelisaMello, MarcoVesperoni, Alberto2025-03-182025-03-182025-01Moscelli, G, Sayli, M, Mello, M & Vesperoni, A 2025, 'Staff engagement, coworkers’ complementarity and employee retention : Evidence from English NHS hospitals', Economica, vol. 92, no. 365, pp. 42-83. https://doi.org/10.1111/ecca.125540013-0427ORCID: /0000-0002-1323-3087/work/169539563https://hdl.handle.net/2164/25159Acknowledgments We thank for the comments and useful suggestions Wiji Arulampalam, Adrian Boyle, Adriana Castelli, Graham Cookson, Hugh Gravelle, Andrew Jones, Elaine Kelly, Luigi Pistaferri, Neil Rickman, Isabel Stockton, Jonathan Wadsworth, and participants to seminars at the Universities of York (May 2021), Manchester (November 2021), Southern Denmark (February 2022), and presentations at NHS England, The Health Foundation (February 2022) and iHEA World Congress (July 2021), Australian Health Economics Society Conference (September 2021), Portuguese National Conference on Health Economics (October 2021), Royal Economic Society (April 2022), International Association of Applied Econometrics (June 2022), European Health Economics Association (July 2022) conferences. The authors acknowledge financial support for this research by The Health Foundation under the “Efficiency Research Programme – Round 3” grant scheme (Award ID: 1327076). The findings and opinions expressed in this study do not represent any views from The Health Foundation. We thank the Department of Health and Social Care and NHS England respectively for access to NHS Electronic Staff Record (ESR) and NHS Staff Survey (NSS) data. The usual disclaimer applies.421777801engSDG 15 - Life on Landemployee retentionstaff engagementjob complementaritiescoworkershospitalsEndogeneityHB Economic TheoryHD Industries. Land use. LaborSupplementary InformationHBHDJournal article10.1111/ecca.1255492365