The present volume analyses the frontiers of broadband, electronic and mobile commerce markets. High-capacity and intelligent mobile telecommunication networks have resulted in new services, such as SMS and Internet banking. Growth in mobile Internet network infrastructure and subscription has provided a base for the development of e-commerce. Accordingly, recent research on broadband networks is forward-looking, e.g., forecasting Internet telephony adoption and the structure of future retail markets. The broadband regime brings with it concerns of identifying appropriate standards and delivery for universal service. Regulation and pricing are matters of importance as well as appropriate investment decisions within a market of ongoing innovation. The volume is devided in five sections: e-commerce business models, network technology and productivity, demand and pricing, market growth, regulation and investment, and issues related to the development imperative.