Private health insurance in universal health systems: a comparative analysis of Discovery Group’s operations in the United Kingdom and South Africa

Pauline Pearcy, Kay-Leigh Sussman and Rocco Friebel

LSE Research Online Documents on Economics from London School of Economics and Political Science, LSE Library

Abstract: The growing involvement of private health insurers within universal health systems has intensified debate over their effects on access, equity, and long-term system sustainability. This paper examines the role of private insurers in the United Kingdom (UK) and South Africa through a case study of the Discovery Group, operating across both settings. We explore how private sector engagement shapes health financing, workforce dynamics, service delivery, digital infrastructure, and governance. Our analysis reveals that the impact of private health insurance on universal health systems is fundamentally context-dependent, mediated by institutional frameworks, regulatory environments, and the stage of universal coverage development. We find that private insurers can contribute meaningfully to digital health innovation and behavioural health interventions. However, expansion also introduces significant risks concerning workforce distribution, financing sustainability, and equity of access. These dynamics manifest differently across contexts. In the UK’s mature universal system, private insurance plays a supplementary role offering expedited access to care for members. In South Africa’s transitional dual system, private insurers more fundamentally shape whether quality care is accessible at all. As health systems evolve, the central challenge lies in developing governance frameworks that enable beneficial private sector contributions while safeguarding equitable access and national health system priorities.

Keywords: behavioural health insurance; private health insurer; shared value insurance; universal health coverage; voluntary health insurance (search for similar items in EconPapers)
JEL-codes: J1 (search for similar items in EconPapers)
Pages: 21 pages
Date: 2026-07-08
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Published in Health Economics, Policy and Law, 8, July, 2026. ISSN: 1744-1331

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