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Hart: the inverse care law

Contribution grade

Epidemiology and public health · EMPIRICAL

Reference score85,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Formulated the inverse care law and linked service availability to need and market exposure.

Scientific scope

The record is Hart's sole-author 1971 Lancet article. It does not turn the relationship into a universal mathematical law, establish one causal mechanism for every health system or absorb later inequality research.

Evidence

The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is Hart's sole-author 1971 Lancet article. It does not turn the relationship into a universal mathematical law, establish one causal mechanism for every health system or absorb later inequality research.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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