Post implementation evaluation of computer-based information systems: current practices
Communications of the ACM
A microeconomic approach to the measurement of information technology value
Journal of Management Information Systems
The productivity paradox of information technology
Communications of the ACM
A procedure for ranking efficient units in data envelopment analysis
Management Science
Information systems variables and management productivity
Information and Management
Does successful investment in information technology solve the productivity paradox?
Information and Management
Measuring the organizational impact of information technology investment: an exploratory study
Journal of Management Information Systems - Special section: Realizing value from information technology investment
Investment justification of information technology in manufacturing
International Journal of Computer Applications in Technology
Evaluation of information technology investment: a data envelopment analysis approach
Computers and Operations Research
Benchmarking the IT productivity paradox: Recent evidence from the manufacturing sector
Mathematical and Computer Modelling: An International Journal
A model for investment justification in information technology projects
International Journal of Information Management: The Journal for Information Professionals
Management and evaluation of technological capability in ICT firms: an information system approach
International Journal of Business Information Systems
International Journal of Business Information Systems
International Journal of Business Information Systems
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Several organisations are seeking to determine the impact of Information Technology (IT)/Information Systems (IS) investments on their performance measures. Industrial units such as power plants are not exempt from this issue. This paper presents an integrated multivariate approach for assessment and optimisation of IT/IS investment in conventional power plants. The Data Envelopment Analysis (DEA) approach is used to assess the IT/IS investment impacts on the performance of power plants. Furthermore, Principal Component Analysis (PCA) is used to verify and validate the findings of the DEA approach. IT/IS budget, number of IT/IS employees and number of PCs are used as input variables and total power generation and load factor are used as output variables. The proposed approach is applied to eight power plants and its advantages are discussed. This is the first study that presents a practical tool for policy making and optimisation with respect to IT/IS investment in conventional power plants.