人称代词和物主代词
Estimating the benefits of plant breeding rearch: methodological issues and practical challenges
期刊名称： Agricultural Economics
作者： ML Morris
年份： 2015年fitwell
期号： 第3期临时英文
关键词： Agricultural rearch;Agricultural rearch evaluation;Plant breeding
观月记翻译
rearch;Impact asssment;Economic analysis
摘要：Impact asssment studies consistently show that the benefits generated by plant breeding are large, positive and widely distributed. Numerous ca studies have concluded that investment in plant breeding rearch generates attractive rates of return compared to alternative investment opportunities, that welfare gains resulting from the adoption of modern varieties (MVs) reach both favo
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ured and marginal environments, and that benefits are broadly shared by producers and consumers. But just how reliable are the results of studies that estimate the benefits of plant breeding rearch? This article reviews methods ud to estimate the benefits of plant breeding rearch and discuss theoretical and empirical issues that often receive inadequate attention in applied impact asssment work. Our objective is not to question the
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