Risk management is an important aspect of financial research because correlations among financial data are essential in evaluating portfolio risk. Among various correlations, spatiotemporal correlations involve economic entity attributes and are interrelated in space and time. Such correlations...

The paper investigates how the availability heuristic of individual stocks affects equity returns, where the availability heuristic is measured by the irrational signal in the fractal dimension. Our evidence support that the availability heuristic can positively predict the short-term expected...