Strategic Information Systems Planning (Literature Review)

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Literature Review on
Strategic Information Systems Planning


1. Introduction
2. Evolution of SISP
3. Stages of SISP 3.1 Inverted U- curve: Law of diminishing returns 3.2 Optimization of planning process
4. Factors influencing decision-making 4.1 Environmental factors 4.1.1 SISP Performance in an uncertain environment 4.1.2 Environmental assessment in strategic information systems planning Hypotheses Testing 4.1.3 Uncertainty in SISP Due To Environmental Factors 4.2 SIS and Its Interface with the CEO 4.3 Alignment of SISP with Corporate Strategy 4.4 Flexibility in SISP v/s Returns For the Firm
5. Frameworks/Models for SISP 5.1 Web
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This process works towards managing a highly pervasive and diffused IT as a resource that can improve organizational effectiveness in a highly uncertain environment.

3.1 Inverted-U: Law of Diminishing Returns
A study [5] suggests that too little SISP would result in insufficient understanding of the external and internal environment producing ill-conceived strategic alternatives and poor selections from them. Similarly too much SISP would require too much time causing opportunities to run by. Through the study it was established that the inverted -U exists for strategy implementation phase as shown in Figure2.

Figure 1: Inverted U curve
3.2 Optimization of Planning Process
 Through the use of Linear Goal Programming (LGP) mathematical approach to analyze IS investment projects a balance between strategic benefit (long term) and cost-benefit(short term) can be achieved[8]. An LGP model optimizes goals rather than objectives by transforming objectives into goals, assigning an appropriate target level to them with acceptable deviations and ranking each of the goals.

Figure 2: Stages of SIS planning.
Source: Information & Management, Volume 42, Issue 5, 761-779

4. Factors Influencing Decision Making About SISP
4.1 Environmental Factors
Rapid advances in open networks and information technology capabilities are greatly increasing environmental
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