This article is available to subscribers. Subscribe now. Already have an account? Sign in


Global Biomedical R&D Expenditures

To the Editor: In their Perspective article, Chakma et al. (Jan. 2 issue)1 report estimates for global trends in expenditures on health research and development (R&D). Their analysis is questionable. First, expenditure data should be deflated in the national currency and then compared with the use of an appropriate exchange rate for one base year. The authors' approach overestimates growth in countries with relative currency appreciation. Second, the standard approach is to deflate expenditure data with the use of the implicit gross domestic product (GDP) price index, not the National Institutes of Health R&D price index, which flatters countries with . . .

Continue reading this article

Select an option below:

Create your account to get 2 free subscriber-only articles each month.

Get Free Access Now Subscribe For Full Access

Already have an account?

Sign In

Print subscriber?

Activate your online access.