Revisiting the Impact of Information Technology Investments on Productivity: An Empirical Investigation Using Multivariate Adaptive Regression Splines MARS

Authors:
Myung Ko;Jan G. Clark;Daijin Ko
Affiliations:
The University of Texas at San Antonio, USA;The University of Texas at San Antonio, USA;The University of Texas at San Antonio, USA
Venue:
Information Resources Management Journal
Year:
2008

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Abstract

This article revisits the relationship between IT and productivity, and investigates the impact on information technology IT investments. Using the MARS techniques, we show that although IT Stock is the greatest predictor variable for productivity Ko, M.; Clark, J.G.; Ko, D.Value Added, it is only significant as an interaction variable, combined with Non-IT Capital, Non-IT Labor, Industry, or Size.