Diltz, J. David

Purpose: The authors investigate the extent to which online talk can influence contemporaneous and future stock trading, especially when market news is unpresented. Design/methodology/approach: The authors propose an improved sentiment formula incorporating online hype, neutral sentiment and...

Purpose: This paper aims to investigate a relatively new anomaly of investment growth and revisits well-known anomalies of size and value. It aims to answer two main research questions. First, can covariance risks (i.e. factor loadings) be excluded from being determining variables that drive...

Purpose: Previous research has found that industry concentration and firm efficiency affect stock returns. However, it is not clear if concentration is a byproduct of efficiency and hence its effect on stock returns is driven by efficiency. This paper aims to examine the relationships between...

We investigate long-term cointegrative and short-term causal relations among seven U.S. sectoral REITs. First, cointegration tests identify one long-term cointegrative relation among five of the sectors, which suggests that two of the sectors are outside the cointegrative space. Second,...

We examine if an existing asset pricing model in an unconditional or conditional setting can explain the investment growth anomaly, as represented by higher returns on stocks of the firms with lower growth in capital expenditures. Our results indicate that the conditional Fama–French 3-factor...

We simulate results from a simple real options model to provide insight into the value-growth stock return anomaly. In our model, firms possess either single ("value" firm) or multiple ("growth" firm) investment opportunities. Our model predicts that growth firms: (1) invest sooner, (2) exhibit...