Comparing Apples to Apples: A New Indicator of Research and Development Investment Intensity in Agriculture

It is conventional wisdom in the economic development literature that there is a significant underinvestment in agricultural R&D in developing countries. Evidence supporting this belief is provided, first by a vast literature showing returns on R&D expenditure to be so high as to justify levels of investment in multiples of those actually found, and second, from available data showing low research effort in developing countries as measured by the intensity ratio (IR), that is, the percentage of agricultural gross domestic product invested in agricultural R&D (excluding the for-profit private sector). This paper argues that the IR is an inadequate indicator to measure and compare the research efforts of a diverse group of countries and proposes an alternative index that allows meaningful comparisons between countries. The proposed index can be used to identify potential under-investors, determine intensity gaps, and quantify the R&D investment needed to close these gaps by comparing countries with similar characteristics. Results obtained using the new R&D intensity indicator with a sample of 88 countries show that the investment effort in developing countries is much higher than the one observed using the conventional IR measure. [IFPRI Discussion Paper 01559].