New index of R&D purchasing power parities for international comparisons

Takao Kiba, Itsuo Sakuma and Junichi Kikuchi

Research Evaluation, 1994, vol. 4, issue 3, 161-169

Abstract: To make more accurate international comparisons of R&D expenditure, the development of purchasing power parities applicable to R&D expenditure (R&D PPPs) is advocated. These will allow direct comparisons of the quantity of goods and services that can actually be purchased with the R&D expenditure in various countries. A trial calculation was made of R&D PPPs for six major countries. This showed that R&D PPPs against US dollars in 1992 indicates a 17% stronger yen than that of ICP's PPPs and 22% weaker than that of the exchange rate. R&D PPPs give us a truer indication of the R&D situation in the world. This will contribute much to science and technology policy-making and analysis, for instance it can be used to analyse companies' overseas R&D investments. Copyright , Beech Tree Publishing.

Date: 1994
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