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Information Aversion

Journal of Political Economy 2020 128(5), 1901-1939
Information aversion—a preference-based fear of news flows—has rich implications for decisions involving information and risk-taking. It can explain key empirical patterns on how households pay attention to savings, namely, that investors observe their portfolios infrequently, particularly when stock prices are low or volatile. Receiving state-dependent alerts following sharp market downturns, such as during the financial crisis of 2008, improves welfare. Information-averse investors display an ostrich behavior: overhearing negative news prompts more inattention. Their fear of frequent news encourages them to hold undiversified portfolios.

Financial Advisors and Investors’ Bias

Review of Financial Studies 2025
We study an intervention by a brokerage firm providing advisory services to high-net-worth investors. In 2018, the firm changed the information displayed on its internal platform, so that financial advisors could no longer observe which clients’ holdings were in paper gain or loss. Using data on portfolio stock transactions between 2016 and 2021, we show that, while all investors exhibit a significant disposition effect before 2018, that is, a greater propensity to realize gains than losses, highly advised investors see their bias significantly reduced afterward. Our paper shows financial firms can successfully reduce clients’ biases by appropriately manipulating advisors’ information.

In their Shoes: Empathy Through Information

Quarterly Journal of Economics 2026
We explore the mechanics of empathy. We show that information about an outgroup can activate and magnify empathy when presented in conjunction with an experience simulating their struggles. This response increases the willingness to help the struggling group. We provide evidence for this effect in an immersive virtual reality experiment where participants (“witnesses”) experience a simulation of the struggle of unauthorized migrants (“protagonists”), then replicate these results in a series of controlled lab experiments. We show that information enhances the witnesses’ empathetic response and drives them to engage in more prosocial behavior when it increases their perceived interpersonal similarity, or relatability to the protagonist — an effect we trace to attention: eye-tracking data reveals that information provision concentrates witnesses’ gaze on the struggles of the protagonist instead of searching through peripheral elements of the scene. Conversely, only information packages that strengthen perceived relatability — an effect that can vary across subgroups with heterogeneous attributes — magnify empathy. Together, our evidence suggests that the ability to put oneself in the shoes of another person or group can be enhanced by activating empathy through simple, targeted, information provision.

Horizon-Dependent Risk Aversion and the Timing and Pricing of Uncertainty

Review of Financial Studies 2024 37(11), 3272-3334 open access
Inspired by experimental evidence, we amend the recursive utility model to let risk aversion decrease with the temporal horizon. Our pseudo-recursive preferences remain tractable and retain appealing features of the long-run risk framework, notably its success at explaining asset pricing moments. In addition, our model addresses two challenges to the standard model. Calibrating the agents’ preferences to explain the equity premium no longer implies an extreme preference for early resolutions of uncertainty. Horizon-dependent risk aversion helps resolve key puzzles in finance on the valuation of assets across maturities and captures the term structure of equity risk premiums and its dynamics.

Return Predictability, Expectations, and Investment: Experimental Evidence

Review of Financial Studies 2025 38(6), 1687-1729
In an investment experiment, we show variations in information affect beliefs and decision-making within the information-beliefs-decisions chain. Subjects observe the time series of a risky asset and a signal that, in random rounds, helps predict returns. Subjects form extrapolative forecasts following a signal they perceive as useless, and their investment decisions underreact to their beliefs. If the same subjects perceive the signal as predictive, they rationally use it in their forecasts, they no longer extrapolate, and they rely significantly more on their forecasts when making risk allocations. Analyzing investments without observing forecasts and information sets leads to erroneous interpretations.