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The Endowment Model of Investing: Return, Risk, and Diversification

ISBN: 978-0-470-48176-9
334 pages
April 2010
The Endowment Model of Investing: Return, Risk, and Diversification (0470481765) cover image
A cutting-edge look at the endowment model of investing

Many larger endowments and foundations have adopted a broadly diversified asset allocation strategy with only a small amount of traditional U.S. equities and bonds. This technique, known as the "endowment model of investing," has demonstrated consistent long-term performance and attracted the attention of numerous institutional and individual investors.

With The Endowment Model of Investing Leibowitz, Bova, and Hammond take a closer look at the endowment model with customary research sophistication and attention to detail. Throughout the book, they examine how the model provides truly outstanding real returns, while keeping a close eye on the risks associated with this method of investing. Along the way, the authors offer practical advice on incorporating the endowment model into your own investment endeavors and reveal what it takes to make this method work in the real world.

  • Details the growing debate about the endowment model of investing and discusses how to use it successfully
  • Written by an authority on endowment investing and non-traditional asset allocation strategies
  • Offers expert insights on understanding risk and return in non traditional asset allocation

If you want to gain a better grasp of one of the most successful forms of investing, then The Endowment Model of Investing is a book you need to read.

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Preface.

Acknowledgments.

PART ONE Alpha/Beta Building Blocks of Portfolio Management.

Chapter 1 The Modern Endowment Allocation Model.

Truly Long-Term Orientation.

Novel Asset Classes and Special Access.

Remaking the Investment Manager Relationship.

More Market-Sensitive Allocations.

Asset Allocation.

Beta-Based Risk and Return: The Sigma and Beta Lines.

Notes.

References.

Chapter 2 Structural Betas and Alphas.

Finding the Beta in the Black Box.

The Structural Beta.

Return Components of Asset Classes.

Risk Components of Asset Classes.

Portfolio Beta Values.

Modern Allocations with Alternatives.

The Extreme Allocation.

Return Components at the Portfolio Level.

Comparison of Portfolios' Risks and Returns.

Implications for Institutional Portfolios.

Beta as the Key Risk Factor.

Notes.

PART TWO Beta-Based Asset Allocation.

Chapter 3 Beyond Diversification: Dragon Risk.

The Nature of Diversification.

Dragon Risk.

A Diversification Model.

Diversification in Sources of Return.

Potential Diversification Costs.

Overdiversification versus Dragon Risk.

Chapter 4 Reverse Asset Allocation Using Alpha Cores.

Simplifying the Portfolio Optimization Process.

The Alpha Core.

The Swing Assets.

The Fixed Alpha Core Segment.

Generality of the Alpha Core Representation.

Varying the Core Parameters.

The Cash Line Segment.

The Bond Bridge.

The Equity Extension Segment.

The Three-Segment Frontier.

The Frontier Slope.

The Uplifted Frontier.

Channel Risk.

Risk Mitigation and Asset Class Inclusion.

Conclusion.

Appendix.

References.

Chapter 5 The Efficient Frontier with Bonds as the Risk-Free Base.

The Equity Risk Premium.

Bond-Relative Alphas and Betas.

Risk Analysis.

Portfolio Level Analysis.

The Alpha Core.

Efficient Frontier Analysis.

The Alpha Effect.

Appendix.

Chapter 6 Expanding the Alpha Core.

Inherent Constraints on Alternative Assets.

Building an Alpha Core.

Maximum-Return Alpha Cores.

The Flower Diagram.

Expanding the Alpha Core.

Moving beyond Beta Domination.

Dual Active-Allocation Alphas.

Conclusion.

Chapter 7 Alpha-Driven Efficient Frontiers.

The Efficient Frontier in Alpha Space.

Increasing the Alpha Core Percentage.

Conclusion.

Chapter 8 The Societal Efficient Frontier.

Standard Efficient Frontiers.

The Swing Asset Frontier.

The Concept of a Societal Frontier.

Total Betas and the Diversification Paradox.

Dragon Risk Constraints and Climbing the Alpha Wall.

A Societal Frontier of Quantum Risk States.

Active Alphas and Other Risk-and-Return Tradeoffs.

Societal Gaps and Opportunities.

References.

Chapter 9 Equilibration.

Beta Domination and Constrained Alternatives.

Alpha Decay under Beta Domination.

Realized Returns versus Going-Forward Alphas.

Sharpe Ratio Decay.

Sequential Alpha Erosion.

Equilibration across the Societal Frontier.

References.

Chapter 10 Shortfall Risks and Efficient Frontiers.

Importance of Shortfall Risk in Portfolios.

Efficient Frontiers Using Fixed Alpha Cores.

Shortfall Probabilities.

Shortfall Regions in Risk-and-Return Space.

Shortfalls Relative to the Risk-Free Baseline.

Shortfall Probabilities along the Efficient Frontier.

Multiple Horizon Comparisons.

Appendix.

References.

Chapter 11 Convergence of Risks.

End-of-Period Shortfall Probabilities.

Within-Period Stop-Loss Probabilities.

High Watermark Shortfalls.

Changing the Thresholds and Horizons.

Shortfall Probabilities along the Efficient Frontier.

Acceptable Risk-and-Return Regions.

Conclusion.

References.

Chapter 12 Active Alphas: Bound, Portable, and Integrated.

Allocation Alphas.

Active Alphas.

Portable Alphas.

Bound-Active Alphas.

Integrated Alphas.

Risk Budgets.

Expanding the Active Universe.

Shifting Policy Portfolios.

Conclusion.

References.

Chapter 13 Beta-Based Performance Analysis.

Active versus Passive Alphas.

Decomposition of Benchmark Return.

Relative Return Analysis.

Actives Alphas without Reweighting.

Overweighting Active Alphas.

Adding a New Asset Class.

Beta Neutralization.

Analyzing Historical Performance.

Conclusion.

Chapter 14 Real Return Tents and Equity Durations.

P/E Ratios and Nominal Interest Rates.

P/E Ratios and Equity Duration.

Inflation versus Real Rate Effects.

Spread-Driven DDM's.

P/E Ratios versus Inflation.

P/E Ratios versus Real Rates.

Conclusion.

References.

PART THREE Theoretical and Empirical Stress Betas.

Chapter 15 Stress Betas and Correlation Tightening.

Portfolio Convexity Effects.

Stress Correlations of 1.

Residual Volatility Constant.

Varying Residual Volatilities.

Conclusion.

Appendix.

References.

Chapter 16 Stress Risks within Asset and Surplus Frameworks.

Risk Life Cycles.

Stress Times as Determinant of Risk Tolerance.

Correlation Tightening Under Stress.

Divergence under Stress.

Short Term Risk Reduction and Long-Term Returns.

Normal Correlation-Based Betas.

Beta Response Curves.

Stress Betas.

The Surplus Framework.

Surplus Beta Curves.

Partial Liability Hedge.

Full Liability Hedge.

De-Risking and Re-Risking.

Maintaining a Fund's Return-Seeking Potential.

Diversification Alphas.

Active Alphas.

Double Alphas and Portability.

References.

Chapter 17 Stress Beta Pathways.

An Empirical Example.

A Minimum Residual Volatility Model.

Implied Asset Volatility.

Stress Betas at the Asset Level.

Short Term Vulnerability of Diversified Portfolios.

Beta Pathways for Individual Asset Classes.

Appendix.

Chapter 18 The Endowment Model: Theory and Experience.

Theoretical Beta-Based Risks.

Historical Risk Characteristics.

Alpha and Beta Returns.

Conclusion.

Chapter 19 Diversification Performance: Under Stress (2008) and over the Long Term (1993 through 2007).

A Semi-Diversified Portfolio.

Volatilities and Volatility Ratios.

Individual and Portfolio Correlations with U.S. Equity.

Historical Betas.

Beta-Based and Alpha Returns.

Stress Beta Theory.

2008 Results and Stress Betas.

Conclusion.

PART FOUR Asset Allocation and Return Thresholds.

Chapter 20 Asset Allocation and Return Thresholds in a Beta World.

Percentiles in Return and Beta Space.

The Percentile Fan.

Minimum and Maximum Betas for Return Targets.

The Characteristic Probability of Exceeding the Risk-Free Rate.

Multiyear Horizons.

Beta Regimes.

Shortfall Lines.

Alpha Cores and Stress Betas.

Conclusion.

Appendix.

References.

Chapter 21 Key Takeaways.

About the Authors.

Index.

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Martin L. Leibowitz is Managing Director in the U.S. Research Department at Morgan Stanley. Prior to working at Morgan Stanley, he was vice chairman and chief investment officer of TIAA-CREF. Leibowitz is a leading authority in the fields of security analysis and portfolio allocation. He is the author of four books, including Franchise Value, and 138 articles, eight of which have won the prestigious Graham and Dodd Award for excellence in financial writing.

Anthony Bova is a Vice President in the Morgan Stanley Research Department, focusing on institutional portfolio strategy. He recently won the ninth annual Bernstein Fabozzi/Jacobs Levy Award for coauthoring the article "Gathering Implicit Alphas in a Beta World," which ran in the Spring 2007 issue of the Journal of Portfolio Management.

P. Brett Hammond is a Managing Director and Chief Investment Strategist for TIAA-CREF Asset Management. His group is responsible for asset allocation modeling, institutional advising, economic and market commentary, and investment product and portfolio research. Within TIAA-CREF, Hammond has also published extensively on pension issues, developed new approaches to performance attribution, and played a key role in the creation of the company's life-cycle inflation-linked bond funds.

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