Direct estimation of policy impacts

Hidehiko Ichimura and Christopher Taber
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Christopher Taber: Institute for Fiscal Studies

No W00/05, IFS Working Papers from Institute for Fiscal Studies

Abstract: This paper specifies a general set of conditions under which the impacts of a policy can be identified using data generated under a different policy regime. We show that some of the policy impacts can be identified under relatively weak conditions on the data and structure of a model. Based on the identification result we develop estimators of policy impacts. We discuss a nonparametric method to implement the estimation but also discuss semparametric methods in order to reduce the conditioning dimension. We then provide an empirical example of the impact of tuition subisdies using the ideas. While the framework used in this paper is fairly narrow, we believe this approach can be applied to a broad set of problems.

Pages: 43 pp
Date: 2000-04-03
New Economics Papers: this item is included in nep-ecm
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Citations: View citations in EconPapers (30)

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Working Paper: Direct Estimation of Policy Impacts (2000)
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