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The Worst, the Best, Ignoring All the Rest: The Rank Effect and Trading Behavior

Review of Financial Studies 2015 28(4), 1024-1059
I document a new stylized fact about how investors trade assets: individuals are more likely to sell the extreme winning and extreme losing positions in their portfolio ("the rank effect"). This effect is not driven by firm-specific information, holding period or the level of returns itself, but is associated with the salience of extreme portfolio positions. The rank effect is exhibited by both retail traders and mutual fund managers. The effect indicates that trades in a given stock depend on how the stock compares to other positions in an investor's portfolio.

The dividend month premium

Journal of Financial Economics 2013 109(3), 640-660
We find an asset pricing anomaly whereby companies have positive abnormal returns in months when they are predicted to issue a dividend. Abnormal returns in predicted dividend months are high relative to other companies and relative to dividend-paying companies in months without a predicted dividend, making risk-based explanations unlikely. The anomaly is as large as the value premium, but less volatile. The premium is consistent with price pressure from dividend-seeking investors. Measures of liquidity and demand for dividends are associated with larger price increases in the period before the ex-day (when there is no news about the dividend) and larger reversals afterward.

Reconsidering Returns

Review of Financial Studies 2021 35(1), 343-393
Abstract Investors’ perception of performance is biased because the relevant measure, returns, is rarely displayed. Major indices ignore dividends, thereby underreporting market performance. Newspapers are more pessimistic on ex-dividend days, consistent with mistaking the index for returns. Market betas should track returns, but track prices more than dividends, creating predictable returns. Mutual funds receive inflows for “beating the S&P 500” price index based on net asset value (also not a return). Investors extrapolate market indices, not returns, when forming annual performance expectations. Displaying returns by default would ameliorate these issues, which arise despite high attention and agreement on the appropriate measure.

A Tough Act to Follow: Contrast Effects in Financial Markets

Journal of Finance 2018 73(4), 1567-1613
ABSTRACT A contrast effect occurs when the value of a previously observed signal inversely biases perception of the next signal. We present the first evidence that contrast effects can distort prices in sophisticated and liquid markets. Investors mistakenly perceive earnings news today as more impressive if yesterday's earnings surprise was bad and less impressive if yesterday's surprise was good. A unique advantage of our financial setting is that we can identify contrast effects as an error in perceptions rather than expectations. Finally, we show that our results cannot be explained by an alternative explanation involving information transmission from previous earnings announcements.

A Tough Act to Follow: Contrast Effects in Financial Markets

Journal of Finance 2018
A contrast effect occurs when the value of a previously observed signal inversely biases perception of the next signal. We present the first evidence that contrast effects can distort prices in sophisticated and liquid markets. Investors mistakenly perceive earnings news today as more impressive if yesterday's earnings surprise was bad and less impressive if yesterday's surprise was good. A unique advantage of our financial setting is that we can identify contrast effects as an error in perceptions rather than expectations. Finally, we show that our results cannot be explained by an alternative explanation involving information transmission from previous earnings announcements.

Market-Wide Predictable Price Pressure

American Economic Review 2025 115(9), 3171-3213
We demonstrate that predictable uninformed cash flows forecast aggregate market stock returns. Buying pressure from dividend payments (announced weeks prior) predicts higher value-weighted market returns, with returns for the top quintile of payment days four times higher than the lowest. This holds internationally and increases when reinvestment is high and market liquidity is low. We estimate a market-level price multiplier of 1.9. These results suggest price pressure is a widespread result of flows, not an anomaly. (JEL G12, G14, G35)

The Dividend Disconnect

Journal of Finance 2019 74(5), 2153-2199
ABSTRACT Many individual investors, mutual funds, and institutions trade as if dividends and capital gains are disconnected attributes, not fully appreciating that dividends result in price decreases. Behavioral trading patterns (e.g., the disposition effect) are driven by price changes instead of total returns. Investors rarely reinvest dividends, and trade as if dividends are a separate, stable income stream. Analysts fail to account for the effect of dividends on price, leading to optimistic price forecasts for dividend‐paying stocks. Demand for dividends is systematically higher in periods of low interest rates and poor market performance, leading to lower returns for dividend‐paying stocks.

Do Investors Value Sustainability? A Natural Experiment Examining Ranking and Fund Flows

Journal of Finance 2019 74(6), 2789-2837
ABSTRACT Examining a shock to the salience of the sustainability of the U.S. mutual fund market, we present causal evidence that investors marketwide value sustainability: being categorized as low sustainability resulted in net outflows of more than $12 billion while being categorized as high sustainability led to net inflows of more than $24 billion. Experimental evidence suggests that sustainability is viewed as positively predicting future performance, but we do not find evidence that high‐sustainability funds outperform low‐sustainability funds. The evidence is consistent with positive affect influencing expectations of sustainable fund performance and nonpecuniary motives influencing investment decisions.

Rolling Mental Accounts

Review of Financial Studies 2018 31(1), 362-397
When investors sell one asset and quickly buy another (“reinvestment days”), their trades suggest the original mental account is not closed, but is instead rolled into the new asset. Retail investors trading on their own accounts display a rolled disposition effect, selling the new position when its value exceeds the initial investment in the original position. On reinvestment days, these investors display no disposition effect (consistent with no disutility from realizing a loss) and make better selling decisions. Using a laboratory experiment, we show that reinvestment causally reduces the disposition effect and improves trading. Received April 10, 2016; editorial decision January 28, 2017 by Editor Andrew Karolyi.

A New Test of Risk Factor Relevance

Journal of Finance 2022 77(4), 2183-2238
ABSTRACT Textbook models assume that investors try to insure against bad states of the world associated with specific risk factors when investing. This is a testable assumption and we develop a survey framework for doing so. Our framework can be applied to any risk factor. We demonstrate the approach using consumption growth, which makes our results applicable to most modern asset‐pricing models. Participants respond to changes in the mean and volatility of stock returns consistent with textbook models, but we find no evidence that they view an asset's correlation with consumption growth as relevant to investment decisions.