Closet indexing is the practice of staying close to the benchmark index while still claiming to be an active mutual fund manager and charging active-management fees. Recent work shows that active mutual fund managers are more likely to closet index during down markets. Around the time of the...

This paper is the first to analyze and value early exercises of Individual Investors in fixed-income investment products. Assuming decision and transaction costs we consider that a continuous decision-making on holding or exercising is not optimal anymore and propose a new approach to modeling...

When Bayesian risk-averse investors are uncertain about their assets' cash flows' exposure to systematic risk, stock prices react more to news in downturns than in upturns, implying higher volatility in downturns and negatively skewed returns. The reason is that, in good times, less desirable...

This paper examines whether politically active individuals are more likely to participate in the stock market. Our key conjecture is that politically involved individuals follow political news more actively, which increases their chances of being exposed to financial news. Consequently, their...

This paper examines the impact of investor heterogeneity on trading. Institutional investors play a crucial role in the information environment of firms. We argue that heterogeneity in the information ability of institutional investors has a significant impact on trading around information...

When the pricing kernel is U-shaped, then expected returns of claims with payout on the upside are negative for strikes beyond a threshold, determined by the slope of the U-shaped kernel in its increasing region, and have negative partial derivative with respect to strike in the increasing...

Systematic, rules-based investment strategies are where academia and practice are currently interacting strongly. My objective in this editorial is to offer some thoughts on research on systematic investing, including three articles in this issue, that can provide significant practical benefits...

Based on Hirshleifer et al. (1998, "Investor Psychology and Security Market Under- and Overreactions") and Fama and French (1988, “Permanent and Temporary Components of Stock Prices”) an overview over the microeconomic models simulating investor behavior with short-term momentum and...

We define a sentiment indicator based on option prices, valuation ratios and interest rates. The indicator can be interpreted as a lower bound on the expected growth in fundamentals that a rational investor would have to perceive in order to be happy to hold the market. The lower bound was...

ETFs attract a larger proportion of institutional investors than do the underlying markets. The price of an ETF will deviate from the price of the underlying, if institutional investors are less prone to investor sentiment-driven mispricing, than are retail investors. We employ a unique...