A tale of two countries: Spatial and temporal patterns of rice productivity in China and Brazil
AbstractThis paper examines differences in the spatial and temporal variations of rice yields in China and Brazil. Our analysis indicates that, in China, rice yields have converged over time and rice production has become increasingly homogeneous. In contrast, rice yields in Brazil have diverged over time, primarily due to variations in upland rice yields. Three hypothetical explanations may account for the different behaviors of rice yields in Brazil and China, namely: 1) differences in production systems (i.e. irrigated in China vs. upland in Brazil); 2) changes in rainfall patterns; and 3) bias in agricultural research and development (R&D) towards irrigated rice. Our empirical analysis supports the first two hypotheses by establishing that: 1) upland rice shows much more variation in yields compared to irrigated rice; and 2) changing rainfall patterns have primarily affected upland rice. We also provide evidence of the bias towards irrigated systems by looking at the patterns of varietal release.
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Bibliographic InfoArticle provided by Elsevier in its journal China Economic Review.
Volume (Year): 23 (2012)
Issue (Month): 3 ()
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Web page: http://www.elsevier.com/locate/chieco
Rice productivity; Spatial convergence; Technology spillover; China; Brazil;
Other versions of this item:
- You, Liangzhi, 2008. "A Tale of Two Countries: Spatial and Temporal Patterns of Rice Productivity in China and Brazil," Working Paper Series RP2008/30, World Institute for Development Economic Research (UNU-WIDER).
- You, Liangzhi, 2008. "A tale of two countries: Spatial and temporal patterns of rice productivity in China and Brazil," IFPRI discussion papers 758, International Food Policy Research Institute (IFPRI).
- O33 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
- O57 - Economic Development, Technological Change, and Growth - - Economywide Country Studies - - - Comparative Studies of Countries
- Q16 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - R&D; Agricultural Technology; Biofuels; Agricultural Extension Services
- R12 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade (economic geography)
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