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Constitutionalizing Class Certification, Margaret S. Thomas

Journal Articles

While class actions have been in decline in federal mass tort litigation since at least the 1990s, a quiet shift has been occurring in their landscape in state courts. Although most scholarly attention has been focused on federal courts and on the U.S. Supreme Court’s reworking of Federal Rule of Civil Procedure 23 in the aftermath of the Class Action Fairness Act, state supreme courts have been engaged in a little-noticed but tremendously important battle over the future of class certification.

Defendants in non-removable class actions in state courts have increasingly shifted their arguments against class certification from objections based …

Optimal Class Size, Opt-Out Rights, And "Indivisible" Remedies, Jay Tidmarsh, David Betson

Journal Articles

Prepared for a Symposium on the ALI’s Aggregate Litigation Project, this paper examines the ALI’s proposal to permit opt-out rights when remedies and “divisible,” but not to permit them when remedies are “indivisible.” Starting from the ground up, the paper employs economic analysis to determine what the optimal size of a class action should be. We demonstrate that, in some circumstances, the optimal size of a class is a class composed of all victims, while in other cases, the optimal size is smaller. We further argue that courts should consider optimal class size in determining whether to certify a class, …