Valuators Must be More Than “Lucky Punks” How can appraisers best figure the cost of equity capital? Rand M. Curtiss argues that using standard tools including Ibbottson, Duff & Phelps, CAPM, or the Butler-Pinkerton model aren’t enough. What to use instead? Curtiss suggests starting with a look at the rate of return on mezzanine money and the rate of return on later-stage VC investments. Find out why.