Do hospital mergers reduce waiting times? Theory and evidence from the English NHS

Vanessa Cirulli, Giorgia Marini, Marco Marini and Odd Rune Straume

Journal of Economic Behavior & Organization, 2025, vol. 238, issue C

Abstract: We analyse — both theoretically and empirically — the effect of hospital mergers on waiting times in healthcare markets where prices are fixed. Using a spatial modelling framework where patients choose provider based on travelling distance and waiting times, we show that the effect is theoretically ambiguous. In the presence of cost synergies, the scope for lower waiting times as a result of the merger is larger if the hospitals are more profit-oriented. This result is arguably confirmed by our empirical analysis, which is based on difference-in-differences estimations using a long panel of data on hospital merger in the English National Health Service (NHS). While we find that hospital mergers lead to higher waiting times on average, we also show that the effects of a merger on waiting times crucially rely on a legal status that can reasonably be linked to the degree of profit-orientation. Whereas hospital mergers involving Foundation Trusts tend to reduce waiting times, the corresponding effect of mergers involving hospitals without this legal status tends to go in the opposite direction.

Keywords: Hospital merger; Waiting times; Profit orientation. (search for similar items in EconPapers)
JEL-codes: I11 I18 L21 L41 (search for similar items in EconPapers)
Date: 2025
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Working Paper: Do Hospital Mergers Reduce Waiting Times? Theory and Evidence from the English NHS (2023)
Working Paper: Do hospital mergers reduce waiting times? Theory and evidence from the english NHS (2023)
Working Paper: Do Hospital Mergers Reduce Waiting Times? Theory and Evidence from the English NHS (2023)
Working Paper: Do Hospital Mergers Reduce Waiting Times? Theory and Evidence from the English NHS
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Persistent link: https://EconPapers.repec.org/RePEc:eee:jeborg:v:238:y:2025:i:c:s0167268125003154

DOI: 10.1016/j.jebo.2025.107196

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