What do investor utility functions look like? We show how returns on a stock and prices of call options written on that stock can be used jointly to recover utility of wealth function of the marginal investor in the stock. We study whether non-standard preferences have an impact sufficiently...

The Ellsberg paradox suggests that people behave differently in risky situations -- when they are given objective probabilities -- than in ambiguous situations when they are not told the odds (as is typical in financial markets). Such behavior is inconsistent with subjective expected utility...

It is a well known empirical fact that actual option prices show persistent and systematic deviations from Black-Scholes option values. While a substantial number of enhancements have been proposed in the literature, these approaches typically leave investors’ preferences towards risk...

We use traded options on growth and value indices to test for clientele differences in risk preferences. Value investors appear to have exhibited a higher average level of risk aversion than growth investors for two different time periods in the late 1990's and early 2000's. We construct a model...

The Capital Asset Pricing Model (CAPM) is theoretically incomplete in its demandside focus, risk-averse investors, and internally inconsistent homogeneous beliefs; is not conclusively supported empirically; and yet it legitimizes a notion that investors can earn higher returns by bearing...

Analyzing over 15 years of account-level trading records from Finland, we show that option features-expiration, moneyness, and the strike price-influence the behavior of retail investors and exacerbate their behavioral biases. Retail investors selectively exploit the expiration feature of...

Cryptocurrencies have received growing attention from individuals, the media, and regulators. However, little is known about the investors whom these financial instruments attract. Using administrative data, we describe the investment behavior of individuals who invest in cryptocurrencies with...

This paper studies why investors buy dividend-paying assets and how they time their consumption accordingly. We combine administrative bank data linking customers' consumption transactions and income to detailed portfolio data and survey responses on financial behavior. We find that private...

Previous studies document a relationship between gambling at the aggregate level and investments in securities with lottery-like features. We combine data on individual gambling consumption with portfolio holdings and trading records to examine whether gambling and trading act as substitutes or...

Retail investors are an essential group in shaping the effects of ESG investing and ESG assets under management are growing at an exponential rate. This study of retail investors' demand generates first evidence on their ESG-relevant decisions. In general, ESG was regarded as a highly...