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Mome In Hindsight, Ronald J. Gilson, Reinier Kraakman
Mome In Hindsight, Ronald J. Gilson, Reinier Kraakman
Faculty Scholarship
Two decades ago, the Virginia Law Review published our article “The Mechanisms of Market Efficiency” (MOME), in which we tried to discern the institutional underpinnings of financial market efficiency. We concluded that the level of market efficiency with respect to a particular fact depends on which of several market mechanisms — universally informed trading, professionally informed trading, derivatively informed trading, and uninformed trading (each of which we explain below) — operates to reflect that fact in market price. Which mechanism is operative, in turn, depends on how widely the fact is distributed among traders, which, I turn, depends on the …