Evaluating Social Policy by Experimental and Nonexperimental Methods
AbstractAlthough it is important to establish causal relationships in social policy evaluation, the effects are difficult to observe due to sample selection. To evaluate the performance of estimators designed to handle sample selection bias, we analyze data from a Norwegian rehabilitation project with a randomized experimental design. The data permit us to compare the performance of different nonexperimental estimators with the experimental results. In our case study we find that nonexperimental evaluation based on sample selection estimators with selection terms that fail to meet conventional levels of statistical significance is highly unreliable. The difference in difference estimator and propensity score matching estimators perform better in our context. Copyright 2002 by The editors of the Scandinavian Journal of Economics.
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Bibliographic InfoArticle provided by Wiley Blackwell in its journal Scandinavian Journal of Economics.
Volume (Year): 104 (2002)
Issue (Month): 1 ()
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Web page: http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1467-9442
Other versions of this item:
- Bratberg, E. & Grasdal, A. & Risa, A.E., 2000. "Evaluating Social Policy by Experimental and Nonexperimental Methods," Norway; Department of Economics, University of Bergen 1700, Department of Economics, University of Bergen.
- H30 - Public Economics - - Fiscal Policies and Behavior of Economic Agents - - - General
- C44 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Operations Research; Statistical Decision Theory
- C82 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Methodology for Collecting, Estimating, and Organizing Macroeconomic Data; Data Access
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- Astrid Grasdal, 2001.
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