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Portfolio Construction, Measurement, and Efficiency - Essays in Honor of Jack Treynor
Foreword
6
Jack Treynor: An Appreciation
10
References
15
Tribute to Jack Treynor
16
Contents
18
Author Bios
20
1 The Theory of Risk, Return, and Performance Measurement
35
1.1 Capital Market Equilibrium
39
1.2 The Barra Model: The Primary Institutional Risk Model
42
1.3 The Axioma Risk Model: Fundamental and Statistical Risk Models
54
1.4 Assessing Mutual Funds: The Treynor Index and Other Measurement Techniques
62
1.5 Conclusions and Summary
68
USE4 Descriptor Definitions
69
References
69
2 Portfolio Theory: Origins, Markowitz and CAPM Based Selection
73
2.1 Constrained Optimization
74
2.2 Portfolio Selection and CAPM
76
2.3 Conclusion
81
References
81
3 Market Timing
83
3.1 Return-Based Performance Measurement
86
3.1.1 ch3:Treynor1966
89
3.1.2 The Relation Between ?p,m and Rm,t
90
3.1.2.1 Quadratic Characteristic Line
90
3.1.2.2 Piecewise-Linear Characteristic Line
93
3.1.3 Derivative Strategies, Frequent Trading, Pseudo Timing, and Portfolio Performance
94
3.1.3.1 Derivative Strategies and Pseudo Timing
94
3.1.3.2 Frequent Trading and Pseudo Timing
95
3.1.4 A Contingent Claims Framework for Valuing the Skills of a Portfolio Manager
97
3.1.5 Timing and Selection with Return Predictability
98
3.2 Holdings-Based Performance Measurement
100
3.3 Summary
101
References
103
4 Returns, Risk, Portfolio Selection, and Evaluation
106
4.1 Introduction and Summary
106
4.2 Expected Returns Modeling and Stock Selection Models: Recent Evidence
107
4.3 Constructing Mean-Variance Efficient Portfolios
121
4.4 Evaluation of Portfolio Performance: Origins
127
4.5 Portfolio Simulation Results with the USER and GLER Models
130
4.6 Conclusions
134
References
140
5 Validating Return-Generating Models
144
5.1 The Design of the Experiment
146
5.1.1 The Validation Criterion
146
5.1.2 Conditional Expectations
147
5.2 The Experiment
149
5.2.1 Data
149
5.2.2 Factor Models
150
5.2.3 The Market Model
156
5.2.4 A January Seasonal
157
5.2.5 Biases and Inefficiencies
158
5.2.6 Macroeconomic Variables
163
5.3 Conclusions
164
References
166
6 Invisible Costs and Profitability
168
6.1 Introduction
168
6.2 Measures of Trading Cost
170
6.2.1 Proportional Costs
171
6.2.2 Nonproportional Costs
172
6.2.3 Estimation Issues
173
6.3 Measures of Performance Under Transaction Costs
174
6.4 Are Return Anomalies Robust to Trading Cost?
175
6.4.1 Return Anomalies
175
6.4.2 Performance Net of Transaction Costs
176
6.4.2.1 The Effect of Proportional Transaction Costs
176
6.4.2.2 The Effect of Nonproportional Transaction Cost
177
6.4.3 Optimized Portfolios
179
6.5 Liquidity Over Time
181
6.6 Conclusion
183
References
184
7 Mean-ETL Portfolio Construction in US Equity Market
187
7.1 Introduction
187
7.2 Fundamental Variables
188
7.3 Mean-ETL Portfolio Construction
189
7.3.1 Mean-ETL Framework
190
7.3.2 Scenario Generator
191
7.4 Portfolio Results and Analysis
192
7.4.1 Attribution Reports
192
7.4.2 Comparison
195
7.5 Summary
198
References
199
8 Portfolio Performance Assessment: Statistical Issues and Methods for Improvement
201
8.1 Introduction: Purposes and Overview
201
8.1.1 Performance Assessment Problems/Frameworks
201
8.1.2 Purposes
202
8.1.3 Chapter Organization
204
8.1.4 Overview of Some Key Results/Conclusions
205
8.2 The Problem of Assessing the Performance Potential of a Stock Return Forecast
205
8.2.1 Forecast Accuracy/Significance Versus Performance Potential
205
8.2.2 Key Specification Issue: Eliminating/Controlling for Correlation Distortion
206
8.2.3 Eliminating/Controlling for Systematic Tax Effects: Dividends Versus Gains
207
8.3 A Framework for Optimal Statistical Design
207
8.3.1 Key Design Decisions
207
8.3.2 The Number of Fractile Portfolios: Measurement Error Versus Power
208
8.4 Isolation Methodology Alternatives: Multivariate Regression Versus Control Matching
209
8.4.1 Treatment Response Studies
209
8.4.2 Intuition Motivation: Isolating Well Treatment Response to Drug Dosage Variation
210
8.4.3 Transforming a Rank-Ordered Cross Section into a Control-Matched Cross Section
212
8.5 A Power Optimizing Mathematical Assignment Program
215
8.5.1 Overview: Formulating the Mathematical Assignment Program
215
8.5.2 Notation Summary
216
8.5.3 The Power Optimizing Objective Function
217
8.5.4 Control Matching: The Equal Value Constraint for Each Control Variable
218
8.5.5 Security Usage and Short Sales: Technical Constraints
218
8.5.6 Synthesis of the Power Optimizing Reassignment Program
219
8.6 Forecast Model Overview
220
8.6.1 Selecting an Illustrative Forecast Model
220
8.6.2 Overview of the Illustrative Eight-Variable Forecast Model
221
8.6.3 Variable Weighting: A Step-By-Step Implementation Summary
222
8.7 Control Variables
224
8.7.1 Control Constraints
224
8.7.2 Risk Controls: ?, BP, and Size
224
8.7.3 Tax Controls: DP, EP, and FL
225
8.8 Using Control Variables to Isolate Performance Potential
227
8.8.1 Alternatives to the Full Sample, Relative Rank-Ordering Framework
227
8.8.2 Stepwise Imposition of Control Constraints: Procedure Overview
230
8.8.3 Study Sample and Time Frame
230
8.8.4 Key Efficiency/Power Design Decision: The Number of Fractile Portfolios
232
8.8.5 The Impact of Individual Risk Controls
232
8.8.6 CAPM Performance Assessments
234
8.8.7 The Impact of Size and BP Risk Controls
236
8.8.8 Imposition of Combinations of Risk and Tax Controls
237
8.8.9 Stepwise Imposition of Risk and Tax Controls: High-Minus-Low Differences
241
8.8.10 Estimates of the Dependence of the Return and SD Cross Sections on the Return Forecast
243
8.8.11 The Cross Sections of Realized Standard Deviations for Different Combinations of Controls
246
8.8.12 The Cross Section of Realized Skewness Coefficients
247
8.9 Further Research
248
8.10 Conclusions
250
Appendices
252
Appendix 8.1. Rank-ordered portfolio data: no controls
252
Appendix 8.2. Rank-ordered portfolio data: only a beta control
253
Appendix 8.3. Rank-ordered portfolio data: only a size control
254
Appendix 8.4. Rank-ordered portfolio data: only a BP control
255
Appendix 8.5. Rank-ordered portfolio data: risk controls only
256
Appendix 8.6. Rank-ordered portfolio data: tax controls only
257
Appendix 8.7. Rank-ordered portfolio data: risk and tax controls
258
References
258
9 The Duality of Value and Mean Reversion
261
9.1 Introduction
261
9.2 Short-Term Momentum and Long-Term Mean Reversion
263
9.3 Links Between Value and Mean Reversion Strategies
264
9.3.1 The Value Premium
265
9.3.2 Using Price Ratios to Predict Mean Reversion Effects
266
9.4 Conclusion
269
References
270
10 Performance of Earnings Yield and Momentum Factors in US and International Equity Markets
271
10.1 Introduction
271
10.2 Pure Factor Portfolios
272
10.3 Optimized Factor Portfolios
278
10.4 Unit-Exposure Optimized Portfolios
279
10.5 Fixed-Volatility Optimized Portfolios
283
10.6 Summary
286
References
288
11 Alpha Construction in a Consistent Investment Process
289
11.1 Introduction
289
11.2 Mean Variance Optimization
291
11.3 The Consistent Investment Process
292
11.3.1 Transforming Each Alpha Signal into Factor Mimicking Portfolios
293
11.3.2 Combining Factor Mimicking Portfolios into a Target Portfolio
295
11.3.3 Solving the Portfolio Construction Problem
296
11.4 Illustrative Example
297
11.5 Conclusions
304
References
304
A Technical Appendix
305
12 Empirical Analysis of Market Connectedness as a Risk Factor for Explaining Expected Stock Returns
307
12.1 Introduction
307
12.2 CAPM and the Multi-Factor Asset Pricing Model
308
12.2.1 Empirical Testing of CAPM
309
12.2.2 Multi-Factor Asset Return Model
310
12.3 Market-Connectedness and Systematic Risk in Asset Returns
310
12.3.1 Alternative Measures for Financial Market Connectedness
311
12.3.2 Market Connectedness Measure: Modularity
312
12.4 Modularity Index as a Systematic Risk Factor: Empirical Analysis
313
12.4.1 Clusters of Asset Returns over a Long Period
313
12.4.2 Modularity: A Systematic Risk Factor
317
12.5 Conclusion
319
References
320
13 The Behaviour of Sentiment-Induced Share Returns: Measurement When Fundamentals Are Observable
322
13.1 Related Literature
323
13.2 Hypotheses and Tests
324
13.3 Data
326
13.4 Sentiment and Returns
329
13.4.1 The Influence of Sentiment on the Hi-Lo Portfolio
329
13.4.2 Tests Using Fundamentals and Deviations from Fundamentals
333
13.4.3 The Effect of the Differencing Interval
336
13.4.4 Deep Fundamentals
336
13.5 Robustness Tests
338
13.5.1 Long-Only Portfolios
338
13.5.2 Nasadaq Stocks
340
13.5.3 The Effect of Lagged Market Returns
340
13.5.4 Lagged Fundamentals
340
13.6 Conclusions
341
Appendix: Principal Data Sources
342
References
343
14 Constructing Mean Variance Efficient Frontiers Using Foreign Large Blend Mutual Funds
345
14.1 Introduction
345
14.2 Single-Period and Ex Post Mean Variance Efficient Frontier
346
14.3 Risk Models and Expected Return Models
347
14.3.1 Raw Return
348
14.3.2 Risk-Adjusted Return
349
14.3.3 Mutual Fund Characteristics
349
14.4 Data and Universe
350
14.4.1 Transaction Cost, Turnover, and Upper Bound
352
14.5 Ex Post Efficient Frontiers
352
14.5.1 Conclusion
355
References
358
15 Fundamental Versus Traditional Indexation for International Mutual Funds: Evaluating DFA, WisdomTree, and RAFI PowerShares
360
15.1 Style Analysis
361
15.2 How Do We Create the Clone Portfolio?
362
15.3 Why Use a Clone Portfolio and Style Analysis?
362
15.4 Why Use Continuous Compounding and Geometric Average Return?
363
15.5 Why Use Equally Weighted Portfolios and Risk-Averse Portfolios?
363
15.6 Why Do Some of Our Portfolios Allow Short Selling?
363
15.7 Data
364
15.8 The Exhibits
364
15.9 DFA Individual Funds
375
15.10 RAFI Individual Funds
376
15.11 WisdomTree Individual Funds
376
15.12 The Individual Fundamental Index Funds
376
15.13 Fundamental Index Portfolios
377
15.14 DFA Aggregates
377
15.15 RAFI Aggregates
379
15.16 WisdomTree Aggregates
379
15.17 Does the First Half Period ? Predict the Second Half Period ??
379
15.18 Are the ?S Explained by Different Sector Returns?
380
15.19 Conclusion
381
References
382
16 Forecasting Implied Volatilities for Options on Index Futures: Time-Series and Cross-Sectional Analysis versus Constant Elasticity of Variance (CEV) Model
383
16.1 Introduction
383
16.2 Literature Review
385
16.2.1 Black-Scholes-Merton Option Pricing Model (BSM) and CEV Model
385
16.2.2 Time-Varying Volatility and Time-Series Analysis
389
16.3 Data and Methodology
390
16.3.1 Data
390
16.3.2 Methodology
391
16.3.2.1 Estimating BSM IV
391
16.3.2.2 Forecasting IV by Cross-Sectional and Time-Series Analysis
392
16.3.2.3 Forecasting IV by CEV Model
395
16.4 Empirical Analysis
396
16.4.1 Distributional Qualities of IV time series
397
16.4.2 Time-Series and Cross-Sectional Analysis for IV Series
398
16.4.3 Ex-Post Test for Forecastability of Time-Series and Cross-Sectional Regression Models
401
16.4.4 Structural Parameter Estimation and Performance of CEV Model
405
16.5 Conclusion
412
References
413
17 The Swiss Black Swan Unpegging Bad Scenario: The Losers and the Winners
416
17.1 The Swiss Franc Peg
416
17.2 Why Did the SNB Start the Peg and Why Did They Eliminate It?
419
17.3 How Does Quantitative Easing Work and What Are It Is Costs and Benefits?
420
17.4 The Currency Moves
422
17.5 Review of How to Lose Money Trading Derivatives
423
17.6 The Folly of the Misleading Value at Risk Measure
433
17.7 Losers and How It Affected Them
439
17.8 Banks and Hedge Funds
440
17.9 What Types of Traders Lost Money
442
17.10 Mortgage Losses
443
17.11 Final Remarks
443
References
445
18 Leveling the Playing Field
448
18.1 Methodology and Data
450
18.2 Results
452
18.3 Conclusion
455
References
456
19 Against the `Wisdom of Crowds': The Investment Performance of Contrarian Funds
458
19.1 Introduction
458
19.2 Identifying Contrarian Funds
460
19.3 Distribution and Characteristics of Contrarian/Herding Funds
462
19.4 Performance of Contrarian and Herding Funds
467
19.5 What Does It Take to Be A Successful Contrarian? Parsing Through Fund Trades
470
19.6 Extracting Stock Selection Information From Contrarian Fund Holdings
475
19.7 Conclusions
479
References
479
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