Magno Queiroz

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The context: the selection of a maximum value IT service portfolio is a major challenge to be faced by IT executives, during the Service Strategy phase of the IT service life cycle defined in ITIL. The problem: ITIL states that the value of an IT service should be estimated based on the improvement of customers' outcomes brought by the service. It is hard(More)
This paper presents a model to support decision making for investments in IT services. As such it contributes to IT service portfolio management. Investment options are analyzed and ranked according to a utility index estimated from possible positive and negative business impact of IT services due to IT Service Level Agreement (SLA) compliance and(More)
This paper presents a framework to support decision making for investments in IT services. Investment options are analyzed and ranked according to utility indices estimated from possible positive and negative business impact of IT services. The approach takes multiple criteria and uncertainty into account by means of multi-attribute utility theory and(More)
This paper investigates the effects on performance of a firm’s capability to orchestrate its portfolio of IT applications. It conceives of IT application orchestration as a dynamic capability and develops a model where the effects of this capability on performance are mediated by an important IT-enabled business outcome: process agility. Results from an(More)
We explore the challenge of selecting the best among a set of alternative IT investments. Solving this problem is important since the difference between alternative investment options may be drastic in terms of business results, both positive and negative. The resulting model takes as input a set of investment alternatives and a parameterized description of(More)
Business scholars and practitioners are becoming increasingly aware of the opportunities that exist when service is added to traditional product offerings. However, the literature has not previously explored the question of how the IS function is responding to greater emphasis on service. In this paper, we employ a multicase research design to investigate(More)
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