This is a new and extensively updated edition of one of leading and authoritive books on the subject of IT costs and benefits. Since it was first published in the early 1990s, this book has established itself as the most comprehensive and complete approach to understanding the economics of how information is used to boost the efficiency or effectiveness of companies. The ideas in this book are used extensively in business, and the book is widely adopted and recommended at leading business schools around the world.This book will show you:How to use cost benefits analysis or business case accountingHow to use user satisfaction surveys and value for money studiesHow to integrate IT benefit delivery into IT project management