Dougherty, Sean M.; Inklaar, Robert; van Ark, Bart; … - National Bureau of Economic Research (NBER) - 2007
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...