This commentary is on Shirley Gregor's (2006) article titled "The Nature of Theory in Information Systems", published in MIS Quarterly. In terms of theories, five types have been prominent in Gregor's classification: (a) Theory of Analyzing (b) Theory of Explaining (c) Theory of Prediction (d)...

This open access book provides a broad range of insights on market engineering and information management. It covers topics like auctions, stock markets, electricity markets, the sharing economy, information and emotions in markets, smart decision-making in cities and other systems, and...

The evaluation of information systems is regarded as a complex process due tothe large number of interacting factors that culminate in respective costs, benefitsand risks that have human or organizational dimensions. With this in mind, thereis much need to examine investment decision-making...