The Yale Law Journal

Eric A. Posner


Aggregation and Law

Ariel Porat & Eric A. Posner

122 Yale L.J. 2 (2012).

If a plaintiff brings two claims, each with a 0.4 probability of being valid, the plaintiff will usually lose, even if the claims are based on independent events, and thus the probability of at least one of the claims being valid is 0.64. If a plaintiff brings two independent …