This book provides some of the most recent developments in Computational Intelligence applied to business and economics presented at the MS'10 International Conference, Barcelona, 15 - 17 July, 2010. It presents several new theoretical advancements and a wide range of applications in different business and economic areas including accounting, finance, management, marketing, sports, tourism, economics and politics, and also some applications related with engineering and modeling and simulation.This book is very useful for researchers and graduate students interested in pursuing research in business and economics with an orientation to modern techniques for dealing with uncertainty such as those related with modeling and simulation and computational intelligence.