We extend Cass and Stiglitz's analysis of preference-based mutual fund separation. We provide a complete characterization of the general K-fund separation. We show that some instances of separation with many funds can be constructed by adding inverse marginal utility functions having separation...

The stock price index is a thermometer reflecting changes in the stock market, and can convey key information on capital market dynamics and trends to investors. This paper empirically investigates the impact of index adjustments on corporate social responsibility performance by employing the...

Anchoring bias (AB) measured at the end of each month by the absolute slope coefficient of a 1-year rolling window regressing relative net purchase ratio on a 52-week high ratio, significantly and negatively predicts 1-months-ahead stock returns both in-sample and out-of-sample. We show...

This paper evaluates how investor sentiment contributes to the explanation of idiosyncratic volatility from a firm-level perspective in the Chinese stock market. After constructing a comprehensive firm-specific investor sentiment (FSIS) index using principal component analysis, we find a...