Probability of Causation and the Attributable Proportion Risk

Louis Anthony Cox

Risk Analysis, 1984, vol. 4, issue 3, 221-230

Abstract: A uranium miner who smokes develops lung cancer: what is the probability that radiation, rather than tobacco, caused it? This paper briefly explains the principles and limits of probability models for which this question makes sense, and then shows how principles of risk accounting can be applied to obtain a solution to the general problem of attributing risk in the presence of joint, possibly interacting, causes. A procedure for calculating each factor's “share” in a jointly caused risk is proposed, and shown to be a generalization of the “probability of causation” concept. Problems of implementation and interpretation for the proposed attribution procedure are discussed, and illustrative error bounds are derived for a simple decision rule, in which probability of causation or attributable risk share calculations are made using aggregate data as a proxy for unknown individual data.

Date: 1984
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Citations: View citations in EconPapers (9)

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https://doi.org/10.1111/j.1539-6924.1984.tb00142.x

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Persistent link: https://EconPapers.repec.org/RePEc:wly:riskan:v:4:y:1984:i:3:p:221-230

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