CENTRE FOR PLANNING AND ECONOMIC RESEARCH No 109 Technical efficiency and the role of information technology: A stochastic production frontier study across OECD countries Sophia P. Dimelis a and Sotiris K. Papaioannou b February 2010 a Professor, Athens University of Economics and Business, Address: 76 Patission Street, 10434 Athens, Greece, Phone Number: +30-210-8203237 e-mail: dimelis@aueb.gr b Research Fellow, Centre of Planning and Economic Research, Address: 11 Amerikhs Street, 10672 Athens, Greece, Phone Number: +30-210-3676363, e-mail: sopa@kepe.gr 1