This paper exploits a unique natural experiment in which a regulator limited voluntary disclosure of oil and gas firms. We examine the implications of this disclosure rule on unexplained trading volume and market liquidity. Relying on the theoretical framework of Kim and Verrecchia (1994), the...

This study examines the impact of voluntary disclosure on the cost of capital and information asymmetry, and thereby on firm value in a comprehensively recursive model. We argue that there is unidirectional dependency among the information asymmetry, cost of capital, and such firm value, hence,...