Measuring system usage: implications for IS theory testing

Article Abstract:

The term 'system usage' refers to the application of information technology (IT) by individuals groups or organizations. It is widely acknowledged to be the main determinant of how IT impacts white collar performance. What is lacking is a general agreement on how system usage should be conceptualized and operationalized. Significant differences in the measures of this variable make it difficult for management information systems researchers to make a comparison of results across studies. This, in turn, contributes to the scarcity of knowledge and theory in this field. The problem is addressed by examining conceptual and methodological issues associated with system usage assessment. Self-reported versus computer-recorded measures, respectively the subjective and objective measures of system usage, are compared using LISREL measurement modeling techniques. The nomological validity of these systems usage constructs and measures is also tested.

Management information systems

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The use of information system technology to develop tests on insider trading and asymmetric information

Article Abstract:

Information systems technology can be used to tackle issues and problems related to insider trading. One experiment using such technology revealed that informed insiders did earn significantly higher profits than the rest of the market if penalties were not included but no such significant difference emerged when penalties were imposed. The second experiment revealed that the dissemination of inside information was fast and efficient in a simple market where there was only occasional electronic monitoring and low penalties imposed. Such results indicate that benefits gained from insider trading can be eliminated not through the use of negative incentives but through the simplification of markets. Market simplification in turn can be achieved through improved automated tracking and analysis made possible by information technology.

Securities and Commodity Exchanges, Security and commodity exchanges, Securities Exchanges, Analysis, Exchanges, Insider trading in securities, Insider trading (Securities)

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Congestion and network externalities in the short run pricing of information system services

Article Abstract:

Transfer pricing facilitates optimal decision-making within an organization because it speeds up communication between various agents of management who may have private information about demand and supply. Traditional approaches to transfer pricing are flawed because they either fail to consider congestion externalities, which causes the overuse of information system services, or they ignore network externalities, which leads to the underuse of such services. Both types of cost allocation methods may result in unforeseen operating costs for management. A complete model is proposed, one that aims to remedy the shortcomings of current models used for computing optimal transfer price.

Research, Transfer pricing

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