Robust regression and outlier detection
Robust regression and outlier detection
Microcomputer applications: an empirical look at usage
Information and Management
A microeconomic approach to the measurement of information technology value
Journal of Management Information Systems
Evaluation of strategic investments in information technology
Communications of the ACM
Measuring and aligning information systems with the organizations: a case study
Information and Management
Measuring system usage: implications for IS theory testing
Management Science
The squandered computer: evaluating the business alignment of information technologies
The squandered computer: evaluating the business alignment of information technologies
The substitution of information technology for other factors of production: a Firm Level Analysis
Management Science - Special issue: Frontier research on information systems and economics
Information and Management
The Value of Internet Commerce to the Customer
Management Science
Supply Chain Inventory Management and the Value of Shared Information
Management Science
An emerging vision of internet-enabled supply-chain electronic commerce
International Journal of Electronic Commerce - Special issue: Electronic intermediaries and networks in business-to-business electronic commerce
Information Technology Investments and Firms' Performance--A Duopoly Perspective
Journal of Management Information Systems
ICT as a source of output and productivity growth in Finland
Telecommunications Policy
Journal of Management Information Systems
Modern Applied Statistics with S
Modern Applied Statistics with S
Efficiency in broadband service provision: A spatial analysis
Telecommunications Policy
Ways to improve pioneer new ventures' performance in the ICT industry
Telecommunications Policy
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The literature concerned with the relationship between performance and information and communications technology (ICT) is usually focused on the ICT investments. This paper shows that it is the level of use of ICT within organisations, with preference as regards the expenses of ICT, which is responsible for the effect on performance. A general sample of 2255 Spanish companies has been used. Firms' performance is measured as technical efficiency, which is determined by a data envelopment analysis (DEA), in which special attention is paid to the problem of the outliers. Finally, the analysis of the level of use of ICT is focused on a key area of the organisations, the supply chain, which affects the technical efficiency of the firms analysed. Results show that there is evidence of a positive effect of the use of ICT on technical efficiency. This effect is especially notable at intensive use levels in activities related to operations/manufacturing, purchasing or sales.