Alternative Beta Strategies and Hedge Fund Replication

Alternative Beta Strategies and Hedge Fund Replication

P1: JYS fm JWBK289-Jaeger August 4, 2008 14:18 Printer: Yet to come Alternative Beta Strategies and Hedge Fund Replication Lars Jaeger with Jeffrey Pease i P1: JYS fm JWBK289-Jaeger August 4, 2008 14:18 Printer: Yet to come i P1: JYS fm JWBK289-Jaeger August 4, 2008 14:18 Printer: Yet to come Alternative Beta Strategies and Hedge Fund Replication i P1: JYS fm JWBK289-Jaeger August 4, 2008 14:18 Printer: Yet to come Alternative Beta Strategies and Hedge Fund Replication Lars Jaeger with Jeffrey Pease i P1: JYS fm JWBK289-Jaeger August 4, 2008 14:18 Printer: Yet to come Copyright C 2008 John Wiley & Sons Ltd, The Atrium, Southern Gate, Chichester, West Sussex PO19 8SQ, England Telephone (+44) 1243 779777 Email (for orders and customer service enquiries): [email protected] VisitourHomePageonwww.wiley.com All Rights Reserved. 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This publication is designed to provide accurate and authoritative information in regard to the subject matter covered. It is sold on the understanding that the Publisher is not engaged in rendering professional services. If professional advice or other expert assistance is required, the services of a competent professional should be sought. Other Wiley Editorial Offices John Wiley & Sons Inc., 111 River Street, Hoboken, NJ 07030, USA Jossey-Bass, 989 Market Street, San Francisco, CA 94103-1741, USA Wiley-VCH Verlag GmbH, Boschstr. 12, D-69469 Weinheim, Germany John Wiley & Sons Australia Ltd, 42 McDougall Street, Milton, Queensland 4064, Australia John Wiley & Sons (Asia) Pte Ltd, 2 Clementi Loop #02-01, Jin Xing Distripark, Singapore 129809 John Wiley & Sons Canada Ltd, 6045 Freemont Blvd, Mississauga, Ontario, L5R 4J3 Canada Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic books. Library of Congress Cataloging-in-Publication Data Jaeger, Lars. Alternative beta strategies and hedge fund replication / Lars Jaeger. p. cm. Includes bibliographical references and index. ISBN 978-0-470-75446-7 (cloth : alk. paper) 1. Hedge funds. I. Title. HG4530.J327 2008 332.64524–dc22 2008022826 British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library ISBN 978-0-470-75446-7 Typeset in 10/12pt Times by Aptara Inc., New Delhi, India Printed and bound in Great Britain by CPI Antony Rowe, Chippenham, Wiltshire ii P1: JYS fm JWBK289-Jaeger August 4, 2008 14:18 Printer: Yet to come To my children, Anika Mai, Kira Anh, and Talia Linh iii P1: JYS fm JWBK289-Jaeger August 4, 2008 14:18 Printer: Yet to come For other titles in the Wiley Finance Series please see www.wiley.com/finance iv P1: JYS fm JWBK289-Jaeger August 4, 2008 14:18 Printer: Yet to come Contents Preface ix 1 Breaking the Black Box 1 1.1 New popularity, old confusion 1 1.2 The challenges of understanding hedge funds 2 1.3 Leaving Alphaville 3 1.4 The beauty of beta 4 1.5 Alternative versus traditional beta 4 1.6 The replication revolution 5 1.7 Full disclosure 6 2 What Are Hedge Funds, Where Did They Come From, and Where Are They Going? 7 2.1 Characteristics of hedge funds 7 2.2 Hedge funds as an asset class 11 2.3 Taxonomy of hedge funds 11 2.4 Myths, misperceptions, and realities about hedge funds 15 2.5 A short history of hedge funds 22 2.6 The hedge fund industry today 26 2.7 The future of hedge funds – opportunities and challenges 30 3 The Individual Hedge Fund Strategies’ Characteristics 37 3.1 Equity Hedged – Long/Short Equity 37 3.2 Equity Hedged – Equity Market Neutral 41 3.3 Equity Hedged – Short Selling 44 3.4 Relative Value – general 45 3.5 Relative Value – Fixed Income Arbitrage 46 3.6 Relative Value – Convertible Arbitrage 51 3.7 Relative Value – Volatility Arbitrage 58 3.8 Relative Value – Capital Structure Arbitrage 60 3.9 Event Driven – general 62 3.10 Event Driven – Merger Arbitrage 64 3.11 Event Driven – Distressed Securities 67 v P1: JYS fm JWBK289-Jaeger August 4, 2008 14:18 Printer: Yet to come vi Contents 3.12 Event Driven – Regulation D 69 3.13 Opportunistic – Global Macro 70 3.14 Managed Futures 75 3.15 Managed Futures – Systematic 76 3.16 Managed Futures – Discretionary 79 3.17 Conclusion of the chapter 81 4 Empirical Return and Risk Properties of Hedge Funds 83 4.1 When the Sharpe ratio is not sharp enough 83 4.2 Challenges of hedge fund performance measurement – the issue with hedge fund indices 84 4.3 Sources of empirical data 89 4.4 Risk and return properties of hedge fund strategies 90 4.5 Comparison with equities and bonds 93 4.6 Deviation from normal distribution 94 4.7 Unconditional correlation properties 94 4.8 Conditional returns and correlations 98 4.9 Hedge fund behavior in extreme market situations 105 4.10 Benefits of hedge funds in a traditional portfolio 107 4.11 Quantitative portfolio optimization for hedge funds revisited 109 4.12 Summary of empirical properties 112 4.13 Appendix: Data providers for past hedge fund performance 113 5 The Drivers of Hedge Fund Returns 117 5.1 Alpha versus beta 117 5.2 The enigma of hedge fund returns 119 5.3 Hedge fund returns: how much is alpha? 121 5.4 The efficient market hypothesis 123 5.5 Questioning the efficient market hypothesis: behavioral finance 125 5.6 The theoretical framework of modern finance: asset pricing models and the interpretations of alpha 128 5.7 Systematic risk premia: the prevalence of beta in the global capital markets 131 5.8 Risk premia and economic functions 138 5.9 Market inefficiencies: the ‘search for alpha’ 140 5.10 An illustration of the nature of hedge fund returns 143 5.11 The decrease of alpha 145 5.12 The beauty of alternative beta 147 5.13 The future of hedge fund capacity 149 5.14 Momentum and value 150 5.15 Active strategies and option-like returns 152 5.16 Why manager skill matters 154 5.17 Buyer beware: some final words of caution about hedge fund returns 155 6 A First Approach to Hedge Fund Replication – Linear Factor Models and Time Series Replication Models 157 6.1 Revisiting Sharpe’s approach 157 6.2 Understanding linear factor analysis: criteria for the factor model approach 158 P1: JYS fm JWBK289-Jaeger August 4, 2008 14:18 Printer: Yet to come Contents vii 6.3 The model specification problem 159 6.4 The data quality problem 160 6.5 The development of hedge fund factor models 161 6.6 Basic and advanced factor models for hedge fund strategies 161 6.7 How good are our models? 165 6.8 Variability of risk exposures and persistence of factor loadings 166 6.9 Can we create hedge fund replications with linear factor models? 168 6.10 The limitations of linear factor models 176 6.11 Currently available hedge fund replication products based on RFS 178 6.12 Summary and conclusion of the chapter 180 7 The Distributional Approach 183 7.1 Being less ambitious 183 7.2 General principles of the distributional approach 184 7.3 Integration of correlations and dependencies 186 7.4 Limitations of the replication approach 187 7.5 The empirical results of the distributional method 187 7.6 Conclusion for the distributional approach 188 8 Bottom up: Extraction of Alternative Beta and ‘Alternative Beta Strategies’ 191 8.1 The rule-based alternative 191 8.2 What hedge fund investors really want 193 8.3 The first ‘alternative beta’ strategies 194 8.4 Relating hedge fund returns and risk premia: what we can model 196 8.5 Alternative beta strategies for individual hedge fund styles and strategy sectors 197 8.6 New exotic beta 208 8.7 The question of asset allocation 209 8.8 The limitations of hedge fund replication 210 8.9 A note on the issue of liquidity 210 8.10 Summary 211 9 Hedge Fund Portfolio Management with Alternative Beta Strategies 213 9.1 The tasks of the hedge fund portfolio manager 213 9.2 The lure of saving fees 214 9.3 The limitations of hedge fund replication 215 9.4 The role of asset allocation 216 9.5 Separation of tasks for the fund of funds managers 216 9.6 The idea of a core–satellite approach to hedge fund investing 217 9.7 Isolating pure alpha 218 9.8 The first part in the investment process: allocation to strategy sectors 218 9.9 Implementation of tactical asset allocation in a core–satellite approach to hedge fund portfolios 223 9.10 The second element: manager selection 226 9.11 Active post-investment risk management 231 9.12 Summary and conclusion 238 P1: JYS fm JWBK289-Jaeger August 4, 2008 14:18 Printer: Yet to come viii Contents 10 Replication and the Future of Hedge Funds 239 10.1 Beyond alpha 239 10.2 What do investors say so far? 239 10.3 Replication and the four key challenges to the hedge fund industry 240 10.4 Replication in reality 241 10.5 Replication and hedge fund growth 242 10.6 Hedge funds in the broader context: The future of absolute return investment 243 References and Bibliography 245 Index 253 P1: JYS fm JWBK289-Jaeger August 4, 2008 14:18 Printer: Yet to come Preface The increased academic and nonacademic effort in modeling and understanding hedge fund return sources has finally reached Wall Street.

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