Network technologies, communication externalities and total factor productivity
نویسنده
چکیده
The main aim of this paper is to determine the factors which enhance or temper firms’ private incentives to use communications technologies that are characterised by network externalities and allow firms to influence their rate of technological change or total factor productivity (TFP). As regards the impact of the network effect on TFP, we find that when the externality parameter is low, a slightly negative effect appears, but this effect is reversed when the externality is higher. This relationship is valid regardless of the number of firms. Our result is particularly interesting because it offers a possible explanation for the Solow productivity paradox. We conclude that, in addition to the degree of network effects, market structure, consumer preferences and the number of users also have a very important influence on TFP and technological change. © 2001 Elsevier Science B.V. All rights reserved. JEL classification: D24; L96; O31
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