Revision with unchanged content. Since the e-commerce are booming on sales and information is becoming a critical resource to firms. How the market information and pricing strategies impact the performance of e-retailers? Specifically, is the information accuracy valuable to e-retailers? Can the information sharing effectively improve the performance of e-retailers? what are the optimal pricing strategies for the e-retailer? What are the values of information accuracy and information sharing respectively, given that the product categories are considered? This book includes three business scenarios addressing the value of market information and pricing strategies in the Internet retailing. First, we study the product choice and the value of information accuracy for the online retailers in the chapter one. Second, we study the marketing information and dual-channel pricing strategies in a multi-channel retailer in the chapter two. Finally, we investigate the value of cooperative information sharing in a manufacturer-ecommerce retailer supply chain in the chapter three. This book is addressed to professionals, policy-makers, academics, researchers, and managers in IT, marketing, business and commerce.