This paper examines when information asymmetry among investors affects the cost of capital in excess of standard risk factors. When equity markets are perfectly competitive, information asymmetry has no separate effect on the cost of capital. When markets are imperfect, information asymmetry can...

We extend the CAPM to a setting where a firm reports earnings prior to selling shares to investors. We show that an entrepreneur, as representative of a firm's initial owners, will choose to report earnings that asymmetrically reflect future cash flow. In modeling the entrepreneur's reporting...