Evolved dispositions influence, but do not determine, how people think about economic problems. The evolutionary cognitive approach offers important insights, but underweights the social transmission of ideas as a level of explanation. The need for a social explanation for the evolution of...

We present evidence of first impression bias among finance professionals in the field. Equity analysts' forecasts, target prices, and recommendations suffer from first impression bias. If a firm performs particularly well (poorly) in the year before an analyst follows it, that analyst tends to...

Individual investors often invest actively and lose thereby. Social interaction seems to exacerbate this tendency. In the model here, senders' propensity to discuss their strategies' returns, and receivers' propensity to be converted, are increasing in sender return. The rate of conversion of...

We model visibility bias in the social transmission of consumption behavior. When consumption is more salient than non-consumption, people perceive that others are consuming heavily, and infer that future prospects are favorable. This increases aggregate consumption in a positive feedback loop....

We offer a new social approach to investment decision making and asset prices. Investors discuss their strategies and convert others to their strategies with a probability that increases in investment returns. The conversion rate is shown to be convex in realized returns. Unconditionally, active...

<p>This document contains presentation slides for the American Finance Association's Presidential Address of January 4, 2020. The address is based on the paper "Social Transmission Bias in Economics and Finance."</p><p>The paper: "https://ssrn.com/abstract=3550880" https://ssrn.com/abstract=3550880...</p>

This is the long version of presentation slides on "Attention, Psychological Bias, and Social Interactions." Many of the psychological biases studied in behavioral finance derive from limited cognitive processing power. I will discuss a general framework for modeling limited attention and...

Many of the psychological biases studied in behavioral finance derive from limited cognitive processing power. I will discuss a general framework for modeling limited attention and economic decisions, and applications to financial issues. I will then turn to how limited attention and other...