J. Christopher Westland

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Current software cost estimation models, such as the 1981 Constructive Cost Model (COCOMO) for software cost estimation and its 1987 Ada COCOMO update, have been experiencing increasing difficulties in estimating the costs of software developed to new life cycle processes and capabilities. These include non-sequential and rapid-development process models;(More)
The search for and correction of errors in software are often time consuming and expensive components of the total cost of software development. The current research investigates to what extent these costs of software error detection and correction contribute to the total cost of software. We initiated the research reported here with the collection of a(More)
Electronic commerce business models can add value by elimination of control and risk-bearing borne by channel intermediaries. But such markets may be less robust encouraging risky behavior. We explore a model of transaction risk in the migration from broker-mediated to electronic markets. The research finds that: (1) the risk of falsely accepting ‘bad’(More)