Econometric studies of the effects of research on productivity have typically imposed arbitrary restrictions on the length and shape of the R&D lag profile. These restrictions are likely to have biased up both the measured effects of R&D on productivity and the estimated rates of return to...

Faced with limited resources and the need to feed 90 million more people every year, governments and donors want to know whether they should invest in regions with inherent potential to be highly productive, or in less-favored areas where large numbers of poor farmers live and increasingly...

Faced with limited resources and the need to feed 90 million more people every year, governments and donors want to know whether they should invest in regions with inherent potential to be highly productive, or in less-favored areas where large numbers of poor farmers live and increasingly...

Using time series data, this paper analyses the relative contributions of terms of trade and non-price variables in explaining agricultural growth in recent decades in India. Agricultural growth is largely explained by expansion of irrigation, (which in the model is also a proxy for HYVs and...