This book includes selected papers from the E-Commerce and E-Business (SIGeBIZ) track at the 15th Americas Conference on Information Systems, AMCIS 2009, held in San Francisco, CA, USA, on August 6-9, 2009.

The 25 papers presented address emerging e-business issues and are organized into four research lines: business models for the digital economy, electronic and mobile commerce behavioral and global issues, IS in financial markets and institutions, Web 2.0 and e-commerce and collaborative value creation.