The objective of this paper is to present econometric evidence of the effects of economic incentives and institutions on national aggregate private agricultural R&D investments. An econometric model of national aggregate annual private R&D investment is specified and fitted to panel data...

The paper presents an econometric model of dynamic agricultural input demand functions that include research based technical change and autoregressive disturbances and fits the model to annual data for a set of state aggregates pooled over 1950-1982. The methodological approach is one of...