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131.
Derek Bosworth Silvia Massini Masako Nakayama 《Journal of Evolutionary Economics》2002,12(1-2):135-162
This paper explores the use of time series data to isolate quality change in the Japanese economy using a hedonic procedure.
We argue that the traditional approach to hedonic estimation based upon panel data sets of different brands in a given product
area is extremely resource intensive and, thus, unlikely to be adopted by official statistical bodies outside of key areas,
such as computers. This paper adopts a “top-down” approach to see whether more traditional measures of technical change, such
as patents, can be used to separate pure inflation from quality change. If this is possible, it offers a much simpler route
to estimate the role of quality change in economic growth and performance. In practice, we extend the analysis not only to
include patents, but other forms of intellectual property that might reflect technology and attribute changes, such as designs,
utility models and trademarks. We begin by taking a longer-term historical perspective, exploring the development of indigenous
inventive capacity in Japan during the early years when R&D data are not available. It is possible to show that the rise in
utility models pre-dates the main growth in patenting activity, suggesting the development in more low-level indigenous creative
work prior to higher level inventive activity. The principal aim of this paper, however, is to demonstrate that it is possible
to develop robust models to explain changes in the producer price index in Japan, which can then be used to re-examine Japanese
growth performance over the period from about 1960. If the official Japanese statistical body has fully accounted for quality
change in the price indices (i.e. produced fully quality-constant price deflators), then the official estimates of growth
will be correct. However, we provide strong evidence that this is not the case. Changes in quality, proxied by the IP variables,
are important determinants of prices in Japan over the period 1960 to 1995 as a whole. Indeed, we provide evidence that the
true rate of growth of the Japanese economy, taking into account the rate of quality change, is significantly higher than
that suggested in official statistics. 相似文献
132.
We construct a dynamic general-equilibrium model of search and matching where public knowledge grows through time and workers accumulate a fraction of this knowledge through education/retraining. Due to search delays, the unemployment pool is populated by vintages of workers of differing productivities. Through intergenerational rivalry, the human capital of older generations is rendered obsolete relative to that of the new blood. Higher knowledge growth exacerbates intergenerational competition, thereby lowering education and growth while raising unemployment and inequality. These findings help explain wage compression/expansion and the hump-shaped wage-tenure profile across cohorts. 相似文献
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135.
Contest success functions: an extension 总被引:3,自引:0,他引:3
Summary. This note extends the axiomatic characterization of the power success function in fair contests by Skaperdas (1996) to an unfair contest. We show that the results previously obtained are straightforward to generalize; the success function is uniquely characterized by Luces Choice Axiom (implying independence of irrelevant alternatives) and homogeneity of degree zero.Received: July 1, 1996; revised version: October 30, 1996This revised version was published online in February 2005 with corrections to the cover date. 相似文献
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137.
Derek Medford 《Telecommunications Policy》1980,4(3):231
‘2nd International Fair for Technology Transfer’, CBI/UNIDO ‘Seminar on Basic Issues of Technology Transfer’, and ‘International Conference on Management of Technology Exchange’, The Netherlands, May 1980 相似文献
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