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Interview
Words From the Wise: Robert Engle on Portfolio Management
October 2, 2017
This issue of "Words from the Wise" features an interview with Robert Engle, Nobel prize winner and father of risk modeling. Engle discusses his breakthrough research on analyzing economic time series with time-varying volatility.
Perspective
But What About October?
November 23, 2018
This year of pain in liquid alternatives has continued. Cliff shows the results of an AQR representative liquid alts portfolio and based on an analysis of it, discusses how our investment process and our long-term liquid alts record remains sound, how October was disappointing but not a particularly abnormal outcome, and how our process has been well-behaved over time, particularly compared with the market portfolio.
Perspective
The George Costanza Portfolio
October 22, 2018
In a follow-up to Liquid Alt Ragnarök?, Cliff shows the results of an illustrative portfolio that does the opposite of what we’d normally do in the spirit of George Costanza, who in one episode of Seinfeld decided he must, in all things, do the opposite of what he’d normally do.
Perspective
Response to Thomas Hoenig’s “Why ‘Risk-Based’ Capital Is Far Too Risky”
August 18, 2016
My colleagues have written a response to Thomas Hoenig's recent WSJ op-ed "Why 'Risk-Based' Capital Is Far Too Risky." Hoenig's recommended approach to managing leverage risk using a "simple" notional leverage limit reminds us of Einstein's famous purported comment to make things as simple as possible, but not simpler. The authors believe that Hoenig's approach fails to meet the Einstein test.
Perspective
Active Share: Different Does Not Equal Better
April 10, 2015
A buzzword in the investment community these days is active share, a specific way to measure how different a portfolio is from its benchmark. But does it predict higher excess returns? Our AQR white paper, “Deactivating Active Share,” takes a look.
Perspective
Factor Investing Explicitly Tries to Look Lousy on Active Share
November 10, 2016
There has been much ink, and maybe even some blood, spilled debating the merits of “Active Share” for judging an investment fund. Cliff reviews the frequent misueses of active share, especially related to applying it factor investing
Perspective
The Hedgie in Winter
May 31, 2018
Cliff explains once again why hedge fund returns shouldn’t be compared to 100% long equities, how to do a more proper comparison, and then shares results.
Perspective
Perhaps the Most Important Essay I Will Ever Co-Author
March 1, 2018
We model when a hockey coach should pull the goalie when trailing and then discuss how our results relate to key lessons for portfolio and risk management, and business in general.
White Paper
Transactions Costs: Practical Application
September 17, 2018
We offer guidance on understanding transactions costs, including a discussion of the practical aspects of measuring them and the pitfalls one might face when trying to compare costs across managers.
White Paper
Understanding the Volatility Risk Premium
May 11, 2018
The volatility risk premium (VRP) represents the compensation that investors earn for providing protection against market losses. We explain the reasons why it may exist and explore its historical performance with a simple option-selling strategy.