Accounting for Dropouts in Evaluations of Social Experiments
This paper considers the statistical and economic justification for one widely-used method of adjusting data from social experiments to account for dropping-out behavior due to Bloom (1984). We generalize the method to apply to distributions not just means, and present tests of the key identifying assumption in this context. A reanalysis of the National JTPA experiment base vindicates application of Bloom's method in this context.
|Date of creation:||Sep 1994|
|Publication status:||published as Review of Economics and Statistics, Vol. 80, no. 1 (1998): 1-14.|
|Contact details of provider:|| Postal: National Bureau of Economic Research, 1050 Massachusetts Avenue Cambridge, MA 02138, U.S.A.|
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- Joshua D. Angrist & Guido W. Imbens, 1991.
"Sources of Identifying Information in Evaluation Models,"
NBER Technical Working Papers
0117, National Bureau of Economic Research, Inc.
- Angrist, J.D. & Imbens, G.W., 1991. "Sources of identifying information in evaluation models," Discussion Paper 1991-42, Tilburg University, Center for Economic Research.
- Angrist, J.D. & Imbens, G.W., 1991. "Sources of Identifying Information in Evaluation Models," Harvard Institute of Economic Research Working Papers 1568, Harvard - Institute of Economic Research.
- Angrist, J.D. & Imbens, G.W., 1991. "Sources of Identifying Information in Evaluation Models," Papers 9142, Tilburg - Center for Economic Research.
- Joshua D. Angrist & Guido W. Imbens, 1995.
"Identification and Estimation of Local Average Treatment Effects,"
NBER Technical Working Papers
0118, National Bureau of Economic Research, Inc.
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- James J. Heckman, 1991. "Randomization and Social Policy Evaluation," NBER Technical Working Papers 0107, National Bureau of Economic Research, Inc.
- Howard S. Bloom, 1984. "Accounting for No-Shows in Experimental Evaluation Designs," Evaluation Review, SAGE Publishing, vol. 8(2), pages 225-246, April.
- V. Joseph Hotz & Seth Sanders, "undated". "Bounding Treatment Effects in Controlled and Natural Experiments Subject to Post-Randomization Treatment Choice," University of Chicago - Population Research Center 94-2, Chicago - Population Research Center.
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- Gary Burtless, 1985. "Are Targeted Wage Subsidies Harmful? Evidence from a Wage Voucher Experiment," ILR Review, Cornell University, ILR School, vol. 39(1), pages 105-114, October.
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