cross-sectional and temporal dependence between observations (Petersen, 2009). Fourth, I control for firm life-cycle effect by including firm age as a proxy for business cycle in the models so that it
Alpha, Beta, and Now…Gamma David Blanchett, CFA, CFP® Head of Retirement Research Morningstar Investment Management Paul Kaplan, Ph.D., CFA Director of Research Morningstar Canada August 28, 2013 Morningstar Investment Management Page 2 of 27©2013 Morningstar. All rights reserved. This document includes proprietary material of Morningstar. Reproduction, transcription or other use, by any means, in whole or in part, without the prior written consent of Morningstar is prohibited. The Morningstar I...