Economic theory suggests that a commitment by a firm to increased levels of disclosure should lower the information asymmetry component of the firm’s cost of capital. But whi le the theory is compelling, so far empirical results relating increased levels of disclosure to measurable economic...

This paper examines the relation between information differences across investors (i.e., information asymmetry) and the cost of capital, and establishes that with perfect competition information asymmetry makes no difference. Instead, a firm's cost of capital is governed solely by the average...