We derive testable implications of Kyle and Obizhaeva's (2016) notion of "bet invariance'' for the cross-section of trade-time volatilities. We jointly develop theoretical foundations of "no speculative arbitrage'' whose implications incorporate those of bet invariance. Our proposed test...

The recent absence of a discernible liquidity premium in cross-sectional stock returns despite non-trivial trade execution costs is a puzzle. We resolve this puzzle using a proxy for institutional trading costs that exploits the unique institutional features of modern U.S. equity markets....

Blockholder disclosure thresholds shape incentives for hedge fund activism, which are jointly determined with real investment and managerial behavior. Uninformed investors value lower thresholds (greater transparency) when the cost of trading against an informed activist outweighs the benefits...