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Estimation of average treatment effects based on propensity scores AgEcon
Becker, Sascha O.; Ichino, Andrea.
In this paper, we give a short overview of some propensity score matching estimators suggested in the evaluation literature, and we provide a set of Stata programs, which we illustrate using the National Supported Work (NSW) demonstration widely known in labor economics.
Tipo: Journal Article Palavras-chave: Propensity score; Matching; Average treatment effect; Evaluation; Research Methods/ Statistical Methods.
Ano: 2002 URL: http://purl.umn.edu/116022
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Are Organic Farmers Really Better Off Than Conventional Farmers? AgEcon
Hiroki, Uematsu; Mishra, Ashok K..
We employed the propensity score matching and estimated the causal effect of being certified organic crop producers on farm household income and its various components in the United States. Contrary to the standard assumption in economic analysis, certified organic farmers do not earn significantly higher household income than conventional farmers. Certified organic crop producers earn higher revenue but they incur higher production expenses. In particular, certified organic producers spend significantly more on labor expenses, insurance payments, and marketing charges than conventional farmers. The results suggest that early adopters of organic farmers have done so for non pecuniary reasons and the lack of economic incentives can be an important barrier...
Tipo: Conference Paper or Presentation Palavras-chave: Organic farming; Propensity score matching; Nearest neighbor matching; Average treatment effect; Agribusiness; Crop Production/Industries; Farm Management; Marketing; Q10; Q13; J43; C21.
Ano: 2011 URL: http://purl.umn.edu/103862
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