Showing 1 - 10 of 56
We model normal-quadratic social learning with agents who observe a summary statistic over past actions, rather than complete action histories. Because an agent with a summary statistic cannot correct for the fact that earlier actions influenced later ones, even a small presence of old actions...
Persistent link: https://www.econbiz.de/10011260412
that the independence assumption of the CLT is violated by herding tendencies among market participants, and investigate … whether a generic probabilistic herding model can reproduce non-Gaussian statistics in systems with a large number of agents …. It is well-known that the presence of a herding mechanism in the model is not sucient for non-Gaussian properties, which …
Persistent link: https://www.econbiz.de/10009021967
We model normal-quadratic social learning with agents who observe a summary statistic over past actions, rather than complete action histories. Because an agent with a summary statistic cannot correct for the fact that earlier actions influenced later ones, even a small presence of old actions...
Persistent link: https://www.econbiz.de/10009211226
We study the incentives to acquire information from exclusive news sources versus information from popular sources in a CARA-normal asset market. Each trader is able to observe one of a finite number of news sources. Clustering on the most precise source can happen for two reasons. One is...
Persistent link: https://www.econbiz.de/10009246893
We attempt to explain stock market dynamics in terms of the interaction among three variables: market price, investor opinion and information flow. We propose a framework for such interaction and apply it to build a model of stock market dynamics which we study both empirically and...
Persistent link: https://www.econbiz.de/10011108097
investments. Our results indicate prevalence of herding and overconfidence in professional analysts. We also find that analysts …
Persistent link: https://www.econbiz.de/10011113920
We explore in this paper how trading noise, when considered as a market friction, reacts to trading activity. Transactions cost is a good explanation for intraday trading behavior in the market according to our data. Particularly, we show that in general trading brings friction to market....
Persistent link: https://www.econbiz.de/10009654205
private information. Path-dependency can be of two types contingent on whether agents act with the crowd (herding) or against … uncertainty that their predecessors acted purely for liquidity motives. In this setting we recover herding and contrarianism and …-dependent behavior more easily than poorly informed ones. Moreover, we illustrate how a market dominated by herding features a price that …
Persistent link: https://www.econbiz.de/10010575661
Yeo (2008), we analyze the noise proportion in intraday stock returns and its interaction with investor herding and search …
Persistent link: https://www.econbiz.de/10008839491
We analyze in this study what could have caused herding in the stock market. Information cascades have often been … with lower frequency based on a herding measure of Lakonishok, Shleifer, and Vishny (1992). We adopt instead the measure of … Patterson and Sharma (2006) and argue that the search model of Vayanos and Wang (2007) characterize herding phenomenon better …
Persistent link: https://www.econbiz.de/10008592948