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Unformatted text preview: substitute products and services, customers, and suppliers. The value chain model helps firms decide what information systems adds are of value to the firm. These decisions are applied to two activities called primary activities and support activities . A value web is another model that is made up of information systems to help a firm become more efficient with business partners. In addition, this chapter explains how a business gains an advantage by using information systems to smoothly run synergies , network-based strategies , and core competences . It mentions how the introduction of the internet helped companies improve quality and compete on a global scale....
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- Spring '08