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Mr. Rodrigo Garcia-Verdu, Alexis Meyer-Cirkel, Akira Sasahara, and Hans Weisfeld
This paper estimates agricultural total factor productivity (TFP) in 162 countries between 1991 and 2015 and aims to understand sources of cross-country variations in agricultural TFP levels and its growth rates. Two factors affecting agricultural TFP are analyzed in detail – imported intermediate inputs and climate. We first show that these two factors are independently important in explaining agricultural TFP – imported inputs raise agricultural TFP; and higher temperatures and rainfall shortages impede TFP growth, particularly in low-income countries (LICs). We also provide a new evidence that, within LICs, those with a higher import component of intermediate inputs seem to be more shielded from the negative impacts of weather shocks.
Mr. Rodrigo Garcia-Verdu, Alexis Meyer-Cirkel, Akira Sasahara, and Hans Weisfeld

-linearized Cobb-Douglas production function, which we call TFP b . The productivity measure TFP b is based on a strong assumption that all countries have the same factor shares. However, this measure of TFP covers a slightly greater number of countries – 27 LICs, 37 lower-middle income countries, 38 upper-middle income countries, 42 high-income countries, totaling 144 countries. TFP b estimates are used for robustness checks of regression analyses. 11 B. Results from Growth Accounting Table 1 presents results from the growth accounting exercise for four groups of