In a recent paper in The Journal of Monetary Economics, Michelacci and Zaffaroni (2000)estimate long memory parameters for GDP per capita of 16 OECD countries. In this note weargue that these estimations are questionable for the purposes of clarifying the time seriesproperties of these data...

This paper investigates the role of intellectual property rights (IPRs) in shaping the GSM industry. Thisindustry is an example of a high-tech industry in which standards play a large role. In the process ofdesigning the GSM standard, a lot of attention has been given to IPRs, mainly to avoid a...

The Schumpeterian theory of long waves has given rise to an intense debate on the existenceof clusters of basic innovations. Silverberg and Lehnert have criticized the empirical part ofthis literature on several methodological accounts. In this paper, we propose the methodologyof Poisson...

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Industrialization, and the association between technological advance and economic growth, brought Europe world economic leadership in the 19th century. However, in the course of the 20th century, European leadership was lost to the United States, as well as a number of dynamic Asian economies,...

This paper investigates whether the distinction between patent citations added by the inventor or the examiner is relevant for the issue of geographical concentration of knowledge flows (as embodied in citations). The distinction between inventor and examiner citations enables us to work with a...

This paper examines the phenomenon of home base augmenting (HBA) R&D and home base exploiting (HBE) R&D. It has three novelties. First, we argue that any given R&D facility’s capacity to exploit and/or augment technological competences is a function not just of its own resources, but the...

Innovations are known to arrive more highly clustered than if they werepurely random, and their rate of arrival has been increasing nearlyexponentially for several centuries. Their distribution of importance ishighly skewed and appears to obey a power law or lognormal distribution.Technological...

Technological change is argued to be taking place along ordered and selective pat-terns, shaped jointly by technological and scientific principles, and economic and other societal factors. Historical, descriptive analysis is often used to analyze these ''trajectories''. Recently, quantitative...