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12 November 2018 Research Foundation

The Future of Investment Management

  1. Ronald N. Kahn
The Future of Investment Management View the full book (PDF)
Investment management is in flux, arguably more than it has been in a long time. Active management is under pressure, with investors switching from active to index funds. New “smart beta” products offer low-cost exposures to many active ideas. Exchange-traded funds are proliferating. Markets and regulations have changed significantly over the past 10–20 years, and data and technology—which are increasingly important for investment management—are evolving even more rapidly.
In the midst of this change, what can we say about the future of investment management? What ideas will influence its evolution? What types of products will flourish over the next 5–10 years?


I use a long perspective to address these questions and analyze the modern intellectual history of investment management—the set of ideas that have influenced investment management up to now.


One central theme that emerges is that investment management is becoming increasingly systematic. Our understanding of risk has evolved from a general aversion to losing money to a precisely defined statistic we can measure and forecast. Our understanding of expected returns has evolved as the necessary data have become more available, as our understanding of fundamental value has developed, and as we have come to understand the connection between return and risk and the relevance of human behavior to both. Data and technology have advanced in parallel to facilitate implementing better approaches.


With an understanding of the ideas underlying investment management today, including several insights into active management, I discuss the many trends currently roiling the field. These trends, applied to the current state of investment management, suggest that investment management will evolve into three distinct branches—indexing, smart beta/factor investing, and pure alpha investing. Each branch will offer two styles of products: those that focus exclusively on returns and those that include goals beyond returns.



Foreword  ix
    Richard C. Grinold
Preface xi
Acknowledgements xiii

1. Introduction 1
2. The Early Roots of Investment Management 4
    Pre-Modern History: The Early Roots of Investment Management 4
    The Dutch Origins of Investment Management 7
    The Evolution of Investment Management in Britain and the United States 9
    The Evolution of Investment Data 10
    Bibliography 11
3. The Modern History of Investment Management 12
    The Origins of Systematic Investing 12
    The Birth of Modern Portfolio Theory 15
    Active Management Strikes Back 25
    The Evolution of Investing 33
    Appendix 33
    Bibliography 34
4. Seven Insights into Active Management 38
    Insight 1. Active Management Is a Zero-Sum Game 39
    Insight 2. Information Ratios Determine Added Value 41
    Insight 3. Allocate Risk Budget in Proportion to Information Ratios 45
    Insight 4. Alphas Must Control for Skill, Volatility, and Expectations 46
    Insight 5. The Fundamental Law of Active Management: Information Ratios Depend on Skill, Diversification, and Efficiency 50
    Insight 6. Data Mining Is Easy 59
    Insight 7. Constraints and Costs Have a Surprisingly Large Impact 65
    Summary 70
    Technical Appendix 70
    Bibliography 72
5. Seven Trends in Investment Management 74
    Trend 1. Active to Passive 74
    Trend 2. Increased Competition 78
    Trend 3. Changing Market Environments 81
    Trend 4. Big Data 83
    Trend 5. Smart Beta 86
    Trend 6. Investing Beyond Returns 95
    Trend 7. Fee Compression 100
    Bibliography 104
6. The Future of Investment Management 107
    Index Funds 107
    Smart Beta/Factor Funds 109
    Pure Alpha Funds 111
    Investing Beyond Returns 112
    Fees 114
    Conclusion 114
    Bibliography 115

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