In this paper, we develop and examine a simple interactive agent‐based model, where the distribution of returns generated from the model takes into account two stylized facts about financial markets： fat tails and volatility clustering. Our results indicate that the risk tolerance of...

Financial investment is at the core of the business of life. Return volatility has ushered in risk management as a specialized function of asset management. Every investor intends to stabilize their returns based on a portfolio constructed aligned to their risk profile; defensive, balanced,...

This paper shows that, in the canonical dynamic rational expectations equilibrium model, public information about future noise trading is potentially detrimental to contemporaneous price efficiency. Our result supports concerns that social sentiment investing, sparked by growing availability of...

A firm's marketing efficiency, the ability to optimally deploy and integrate different marketing inputs to achieve high sales revenue at low cost, is persistent. High marketing efficiency predicts better future operating performance and stock returns, especially in competitive industries. A...

Savings increasingly flow to low-cost index funds, which simply buy and hold the stocks in a major index, such as the S&P 500. Increased indexing impedes incorporation of idiosyncratic information into stock prices. We limit endogeneity bias by showing that exogenous idiosyncratic currency...