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Working Paper

Game On: Social Networks and Markets

This paper studies how echo-chamber effects and fake news can lead to disagreement and misinformation with effects on investors’ portfolios and market prices. It presents a model how an investment idea can propagate through a social network, generating a trading frenzy with high turnover, a bubble in the price, and high price volatility. The paper also presents empirical evidence on the dramatic events related to the GameStop stock in January 2021 and discusses broader economic implications.

Perspective

Banter Is Coming

We have a lot of great topics and special guests coming up on season two of The Curious Investor.

Chief Investment Quarterly

Who Knew Annuities Could Be So Exciting?!

The debate over annuities in Defined Contribution (DC) plans is so boring that it’s a bipartisan issue. But, their impact on retiree consumption is actually pretty exciting.

Journal Article

A Data Science Solution to the Multiple-Testing Crisis in Financial Research

In this paper, we present a real example of how multiple testing information can be reported. We use that information to estimate the Deflated Sharpe Ratio of an investment strategy.

Perspective

Our Hat into the Podcasting Ring

Cliff discusses the launch of the AQR podcast, The Curious Investor.

Podcast

Silly Things Investors Do

An all-star lineup, including Nobel Prize winner Richard Thaler, joins The Curious Investor hosts to explain some of the most common biases that creep into our investment decisions.

Interview

Words from the Wise: An Interview with Richard Thaler

Richard Thaler, a founding father of behavioral finance and the 2017 recipient of the Nobel Prize in Economics, discusses his pioneering research, including how our behaviors influence decision making and investing and what to do about it.

Perspective

Perhaps the Most Important Essay I Will Ever Co-Author

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.

Journal Article

A Historical Perspective on Time-Varying Expected Returns

Investors naturally think about the expected returns of bonds based on their market yields, thus assuming time-varying expected returns.

Perspective

Holy Cow the Rangers are Worse than the Cubs!

Cliff Asness delves into numbers and probabilities to determine the biggest loser: the Rangers (for not winning the Stanley Cup between 1940 and 1994) or the Cubs (for failing to win the World Series between 1908 and 2015).