NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Publications by Bart van Ark

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Working Papers and Chapters

October 2007International Comparisons of R&D Expenditure: Does an R&D PPP Make a Difference?
with Sean M. Dougherty, Robert Inklaar, Robert H. McGuckin
in Hard-to-Measure Goods and Services: Essays in Honor of Zvi Griliches, Ernst R. Berndt and Charles R. Hulten, editors
January 2007International Comparisons of R&D Expenditure: Does an R&D PPP Make a Difference?
with Sean M. Dougherty, Robert Inklaar, Robert H. McGuckin: w12829
Purchasing power parities (PPPs) for R&D expenditure in 19 manufacturing industries are developed for France, Germany, Japan, the Netherlands and the United Kingdom relative to the United States for the years 1997 and 1987. These PPPs are based on R&D input prices for specific cost categories and differ substantially from current practice of comparing R&D expenditure using GDP PPPs and deflators. After taking into account differences in the relative price of R&D labor and materials, separate PPPs for other R&D cost categories are less essential, and a simpler version using GDP PPPs for these other categories should suffice. Our preferred PPPs are used to compare international R&D costs and intensity. The results suggest that the efforts devoted to R&D in each country are more similar acros...

Contact and additional information for this authorAll papers and publicationsWorking Papers onlyWorking Papers with publication info

 
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