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Measuring the "ideas" production function : evidence from international patent output

作者: Michael E Porter; Scott Stern; National Bureau of Economic Research.
出版商: Cambridge, MA. : National Bureau of Economic Research, ©2000.
叢書: Working paper series (National Bureau of Economic Research), working paper no. 7891.
版本/格式:   Print book : 英語所有版本和格式的總覽
資料庫:WorldCat
提要:
This paper estimates the parameters of the ideas production function central to recent models of economic growth. We do so by evaluating the determinants of international patenting rates across the OECD, where an international patent is one granted by the U.S. patent office to a foreign establishment. Taking advantage of variation in the flow of ideas produced by different countries over time, we provide evidence  再讀一些...
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資料類型: 網際網路資源
文件類型: 圖書, 網路資源
所有的作者/貢獻者: Michael E Porter; Scott Stern; National Bureau of Economic Research.
OCLC系統控制編碼: 45107644
注意: "September 2000."
描述: 33, [13] pages : illustrations ; 22 cm.
叢書名: Working paper series (National Bureau of Economic Research), working paper no. 7891.
其他題名: "Ideas" production function
責任: Michael E. Porter, Scott Stern.

摘要:

This paper estimates the parameters of the ideas production function central to recent models of economic growth. We do so by evaluating the determinants of international patenting rates across the OECD, where an international patent is one granted by the U.S. patent office to a foreign establishment. Taking advantage of variation in the flow of ideas produced by different countries over time, we provide evidence for three main findings. First, at the level of the production of international patents, country-level R & D productivity increases proportionally with the stock of ideas already discovered, a key parametric restriction associated with the Romer model of ideas-driven growth (Romer, 1990; Jones, 1995). Second, We find that ideas productivity in a given country is constant or declining in the worldwide stock of ideas. Ideas production by other countries raises the bar for producing new-to-the-world technology domestically, outweighing the positive effects of international knowledge spillovers. Finally, ideas productivity is concave in the size of the R & D workforce and the linkage between ideas production and overall productivity growth is small. These results suggest that while the parametric restrictions required to generate endogenous technological change may be satisfied for individual economies, the growth rate associated with such effects may be modest. There seems to be a gap between the sustained production of ideas by advanced economies and the ability to translate ideas into measured productivity growth."

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