
The Endowment Model of Investing: Return, Risk, and Diversification
by Martin L. Leibowitz ( ); Anthony Bova; P. Brett HammondRent Book
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Summary
Table of Contents
Preface | |
Acknowledgments | |
Alpha/Beta Building Blocks of Portfolio Management | |
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 | |
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 | |
Beta-Based Asset Allocation | |
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 | |
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 | |
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 | |
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 | |
Alpha-Driven Efficient Frontiers | |
The Efficient Frontier in Alpha Space | |
Increasing the Alpha Core Percentage | |
Conclusion | |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
Theoretical and Empirical Stress Betas | |
Stress Betas and Correlation Tightening | |
Portfolio Convexity Effects | |
Stress Correlations of 1 | |
Residual Volatility Constant | |
Varying Residual Volatilities | |
Conclusion | |
Appendix | |
References | |
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 | |
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 | |
The Endowment Model: Theory and Experience | |
Theoretical Beta-Based Risks | |
Historical Risk Characteristics | |
Alpha and Beta Returns | |
Conclusion | |
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 | |
Asset Allocation and Return Thresholds | |
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 | |
Key Takeaways | |
About the Authors | |
Index | |
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