...AC 3047 CORPORATE FINANCE Lecture #1: Introduction Portfolio theory Intro to CAPM ©Professor Hans K. Hvide Do not quote without permission. Although considerable effort will be exerted to avoid errors in these notes, I do not guarantee that they are error-free. 1 Central concepts for this week • Risk-return trade-off • Covariance (between individual assets) • Efficient Frontier • Market portfolio (choice of the rational investor) ↓ • Capital Market Line • Security Market Line • Cost of capital - Firm: the returns that are necessary to attract capital - Investor: returns that the capital markets offers for comparable investments Readings this week: Brealey, Myers & Allen (BMA), Corporate Finance 8th edition, chapters 7, 8, 9. 10 1. Portfolio theory • Criteria for choice of optimal portfolio by risk-averse rational agents • Mean/variance analysis • Market portfolio Note: static world with only one point in time. Definitions: - Financial asset = stream of income, typically uncertain, with a given risk/return profile - Portfolio = mix of financial assets 11 1.1 Expected returns for portfolio (2 assets) Let E(Z) be the expectation (expected value) of a random variable Z = probability-weighted midpoint of the distribution of Z. E(RP) = x1E(r1) + (1-x1)E(r2) (1) E(RP) = Expected portfolio return xi = Share of investment in asset i, (i = 1, 2) E(ri) = Expected return asset i, (i=1, 2) Expected portfolio...
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...Acknowledgments ix Acknowledgments This book owes a great deal to the mental energy of several generations of scholars. As an undergraduate at the University of Cape Town, Francis Wilson made me aware of the importance of migrant labour and Robin Hallett inspired me, and a generation of students, to study the African past. At the School of Oriental and African Studies in London I was fortunate enough to have David Birmingham as a thesis supervisor. I hope that some of his knowledge and understanding of Lusophone Africa has found its way into this book. I owe an equal debt to Shula Marks who, over the years, has provided me with criticism and inspiration. In the United States I learnt a great deal from ]eanne Penvenne, Marcia Wright and, especially, Leroy Vail. In Switzerland I benefitted from the friendship and assistance of Laurent Monier of the IUED in Geneva, Francois Iecquier of the University of Lausanne and Mariette Ouwerhand of the dépurtement évangélrlyue (the former Swiss Mission). In South Africa, Patricia Davison of the South African Museum introduced me to material culture and made me aware of the richness of difference; the late Monica Wilson taught me the fundamentals of anthropology and Andrew Spiegel and Robert Thornton struggled to keep me abreast of changes in the discipline; Sue Newton-King and Nigel Penn brought shafts of light from the eighteenthcentury to bear on early industrialism. Charles van Onselen laid a major part of the intellectual foundations on...
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