Total factor productivity growth in information technology services industries: A multi-theoretical perspective
We study the productivity growth of IT services industries in 25 OECD countries from 1995 to 2007. Malmquist index is used as the metric and DEA as the measurement method. IT services industry is an adept innovator and efficiency change has a small negative effect. Scale change being mainly determined by client demands impairs productivity.
information technology services industry malmquist index innovation efficiency productivity and competitiveness data envelopment analysis