Modelling the joint impact of R&D and ICT on productivity: a frontier analysis approach

Pieri, Fabio and Vecchi, Michela and Venturini, Francesco (2017) Modelling the joint impact of R&D and ICT on productivity: a frontier analysis approach. Working Paper. Universita' degli Studi di Trento.

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Abstract

This study explores the channels through which technological investments affect productivity performance of industrialized economies. Using a Stochastic Frontier Model (SFM) we estimate the productivity effects of R&D and ICT for a large sample of OECD industries between 1973 and 2007, identifying four channels of transmission: input accumulation, technological change, technical efficiency and spillovers. Our results show that ICT has been particularly effective in reducing production inefficiency and in generating inter-industry spillovers, while R&D has raised the rate of technical change and favoured knowledge spillovers within sectors. We also quantify the contribution of technological investments to output and TFP growth documenting that R&D and ICT accounted for almost 95% of TFP growth in the OECD area.

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