Business Models for the Digital Economy -- Generic Business Model Types for Enterprise Mashup Intermediaries -- The Commercial Open Source Business Model -- IPhone or Kindle: Competition of Electronic Books Sales -- Business Models in Emerging Online Services -- Business Model Design from an ANT Perspective: Contributions and Insights of an Open and Living Theory -- Customer-Specific Transaction Risk Management in E-Commerce -- An Evaluation of Multiple Perceptions of Digital Rights Management -- Electronic and Mobile Commerce Behavioral and Global Issues -- Consumer’s Online Shopping Influence Factors and Decision-Making Model -- Generation Gap and the Impact of the Web on Goods Quality Perceptions -- How the Website Usability Elements Impact Performance -- Effects of Website Interactivity on Online Retail Shopping Behavior -- Trust-Building in Electronic Markets: Relative Importance and Interaction Effects of Trust-Building Mechanisms -- Pricing Strategy in Online Retailing Marketplaces of Homogeneous Goods: Should High Reputation Seller Charge More? -- Secure Mobile Support of Independent Sales Agencies -- IS in Financial Markets and Institutions -- People-to-People Lending: The Emerging E-Commerce Transformation of a Financial Market -- Forecasting U.S. Home Foreclosures with an Index of Internet Keyword Searches -- Organizing Equity Exchanges -- The Impact of New Execution Venues on European Equity Markets’ Liquidity – The Case of Chi-X -- System Latency in Linked Spot and Futures Markets -- Web 2.0 and E-Commerce and Collaborative Value Creation -- Quantifying Users’ Interconnectedness in Online Social Networks – An Indispensible Step for Economic Valuation -- Enhancing the Quality of Financial Advice with Web 2.0 – An Approach Considering Social Capital in the Private Asset Allocation -- Web 2.0 in SME Networks - A Design Science Approach Considering Multi-perspective Requirements -- Mashups: An Approach to Overcoming the Business/IT Gap in Service-Oriented Architectures -- Online Reputation Systems in Web 2.0 Era -- Evolution of Decision Rules Used for IT Portfolio Management: An Inductive Approach.

This book contains 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, August 6-9, 2009. The 25 papers presented address emerging e-business issues and have been 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.