D. Arkhangelsky

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This paper considers specification testing in semiparametric econometric models. It develops a consistent series-based specification test for semiparametric conditional mean models against nonparametric alternatives. Consistency is achieved by turning a conditional moment restriction into a growing number of unconditional moment restrictions using series(More)
In the social sciences, researchers are often interested in measuring the effect of a treatment or intervention. For example, many labor economists are interested in measuring the effect of job training programs on increasing salaries or reducing unemployment. Measuring the ”causal effect” of an intervention is relatively straight forward when the treatment(More)
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