The objective of this paper is to investigate herding behavior in the Brazilian stock mutual funds. Through the study of the 100 largest funds of the category, between September/2004 and July/2008, two herding indexes are analyzed: (i) the index, proposed by Lakonishok, Shleifer and Vishny...

This research aims to investigate, through simulation models, how the interaction among agents in an artificial stock market can affect the dynamics of asset prices. Thus, the study follows a different methodology for the analysis of prices by exploring the simulation of agents' behavior in an...