Program Evaluation and Research Designs
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- DiNardo, John & Lee, David S., 2011. "Program Evaluation and Research Designs," Handbook of Labor Economics, in: O. Ashenfelter & D. Card (ed.), Handbook of Labor Economics, edition 1, volume 4, chapter 5, pages 463-536, Elsevier.
- John DiNardo & David S. Lee, 2010. "Program Evaluation and Research Designs," Working Papers 1228, Princeton University, Department of Economics, Industrial Relations Section..
References listed on IDEAS
- Sandra E. Black, 1999.
"Do Better Schools Matter? Parental Valuation of Elementary Education,"
The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 114(2), pages 577-599.
- Sandra E. Black, 1997. "Do better schools matter? Parental valuation of elementary education," Research Paper 9729, Federal Reserve Bank of New York.
- Sergio Firpo, 2007.
"Efficient Semiparametric Estimation of Quantile Treatment Effects,"
Econometrica, Econometric Society, vol. 75(1), pages 259-276, January.
- Sergio Firpo, 2004. "Efficient Semiparametric Estimation of Quantile Treatment Effects," Econometric Society 2004 North American Summer Meetings 605, Econometric Society.
- DiNardo, John & Fortin, Nicole M & Lemieux, Thomas, 1996.
"Labor Market Institutions and the Distribution of Wages, 1973-1992: A Semiparametric Approach,"
Econometrica, Econometric Society, vol. 64(5), pages 1001-1044, September.
- Nidardo, J. & Fortin, N. & Lemieux, T., 1994. "Labor Market Institutions and the Distribution of Wages, 1973-1992: A Semiparametric Approach," Papers 93-94-15, California Irvine - School of Social Sciences.
- Dinardo, J. & Fortin, N.M. & Lemieux, T., 1994. "Labor Market Institutions and the Distribution of Wages, 1973-1992: A Semiparametric Approach," Cahiers de recherche 9406, Centre interuniversitaire de recherche en économie quantitative, CIREQ.
- Dinardo, J. & Fortin, N.M. & Lemieux, T., 1994. "Labor Market Institutions and the Distribution of Wages, 1973-1992: a Semiparametric Approach," Cahiers de recherche 9406, Universite de Montreal, Departement de sciences economiques.
- John DiNardo & Nicole M. Fortin & Thomas Lemieux, 1995. "Labor Market Institutions and the Distribution of Wages, 1973-1992: A Semiparametric Approach," NBER Working Papers 5093, National Bureau of Economic Research, Inc.
- Alberto Abadie & Joshua Angrist & Guido Imbens, 2002.
"Instrumental Variables Estimates of the Effect of Subsidized Training on the Quantiles of Trainee Earnings,"
Econometrica, Econometric Society, vol. 70(1), pages 91-117, January.
- Alberto Abadie & Joshua Angrist & Guido Imbens, 1999. "Instrumental Variables Estimates of the Effect of Subsidized Training on the Quantiles of Trainee Earnings," Working papers 99-16, Massachusetts Institute of Technology (MIT), Department of Economics.
- Ashenfelter, Orley C, 1978. "Estimating the Effect of Training Programs on Earnings," The Review of Economics and Statistics, MIT Press, vol. 60(1), pages 47-57, February.
- Angrist, Joshua D, 1990.
"Lifetime Earnings and the Vietnam Era Draft Lottery: Evidence from Social Security Administrative Records,"
American Economic Review, American Economic Association, vol. 80(3), pages 313-336, June.
- Joshua D. Angrist, 1989. "Lifetime Earnings and the Vietnam Era Draft Lottery: Evidence from Social Security Administrative Records," Working Papers 631, Princeton University, Department of Economics, Industrial Relations Section..
- James Heckman & Justin L. Tobias & Edward Vytlacil, 2001. "Four Parameters of Interest in the Evaluation of Social Programs," Southern Economic Journal, John Wiley & Sons, vol. 68(2), pages 210-223, October.
- Cook, Thomas D., 2008. ""Waiting for Life to Arrive": A history of the regression-discontinuity design in Psychology, Statistics and Economics," Journal of Econometrics, Elsevier, vol. 142(2), pages 636-654, February.
- Millimet, Daniel L. & Tchernis, Rusty, 2009.
"On the Specification of Propensity Scores, With Applications to the Analysis of Trade Policies,"
Journal of Business & Economic Statistics, American Statistical Association, vol. 27(3), pages 397-415.
- Daniel Millimet & Rusty Tchernis, 2006. "On the Specification of Propensity Scores: with Applications to the Analysis of Trade Policies," CAEPR Working Papers 2006-013, Center for Applied Economics and Policy Research, Department of Economics, Indiana University Bloomington, revised Jan 2008.
- Imbens, Guido W & Angrist, Joshua D, 1994.
"Identification and Estimation of Local Average Treatment Effects,"
Econometrica, Econometric Society, vol. 62(2), pages 467-475, March.
- 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.
- James J. Heckman & Sergio Urzua & Edward Vytlacil, 2006.
"Understanding Instrumental Variables in Models with Essential Heterogeneity,"
The Review of Economics and Statistics, MIT Press, vol. 88(3), pages 389-432, August.
- James J. Heckman & Sergio Urzua & Edward J. Vytlacil, 2006. "Understanding Instrumental Variables in Models with Essential Heterogeneity," NBER Working Papers 12574, National Bureau of Economic Research, Inc.
- James J. Heckman & Sergio Urzua & Edward Vytlacil, 2009. "Understanding Instrumental Variables in Models with Essential Heterogeneity," Working Papers 200941, Geary Institute, University College Dublin.
- Heckman, James J. & Urzua, Sergio & Vytlacil, Edward, 2006. "Understanding Instrumental Variables in Models with Essential Heterogeneity," IZA Discussion Papers 2320, Institute of Labor Economics (IZA).
- Keisuke Hirano & Guido W. Imbens & Geert Ridder, 2003.
"Efficient Estimation of Average Treatment Effects Using the Estimated Propensity Score,"
Econometrica, Econometric Society, vol. 71(4), pages 1161-1189, July.
- Guido Imbens, 2000. "Efficient Estimation of Average Treatment Effects Using the Estimated Propensity Score," Econometric Society World Congress 2000 Contributed Papers 1166, Econometric Society.
- Keisuke Hirano & Guido W. Imbens & Geert Ridder, 2000. "Efficient Estimation of Average Treatment Effects Using the Estimated Propensity Score," NBER Technical Working Papers 0251, National Bureau of Economic Research, Inc.
- Jinyong Hahn, 1998. "On the Role of the Propensity Score in Efficient Semiparametric Estimation of Average Treatment Effects," Econometrica, Econometric Society, vol. 66(2), pages 315-332, March.
- Wilbert van der Klaauw, 2002. "Estimating the Effect of Financial Aid Offers on College Enrollment: A Regression-Discontinuity Approach," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 43(4), pages 1249-1287, November.
- James Heckman & Justin L. Tobias & Edward Vytlacil, 2001.
"Four Parameters of Interest in the Evaluation of Social Programs,"
Southern Economic Journal, John Wiley & Sons, vol. 68(2), pages 210-223, October.
- Heckman, J J & Tobias, Justin & Vytlacil, Ed, 2001. "Four Parameters of Interest in the Evaluation of Social Programs," Staff General Research Papers Archive 12022, Iowa State University, Department of Economics.
- Petra E. Todd & Kenneth I. Wolpin, 2008.
"Ex Ante Evaluation of Social Programs,"
Annals of Economics and Statistics, GENES, issue 91-92, pages 263-291.
- Petra E. Todd & Kenneth I. Wolpin, 2006. "Ex Ante Evaluation of Social Programs," PIER Working Paper Archive 06-022, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania.
- Kenneth I. Wolpin, 2007. "Ex Ante Policy Evaluation, Structural Estimation and Model Selection," American Economic Review, American Economic Association, vol. 97(2), pages 48-52, May.
- Philip Oreopoulos, 2006. "Estimating Average and Local Average Treatment Effects of Education when Compulsory Schooling Laws Really Matter," American Economic Review, American Economic Association, vol. 96(1), pages 152-175, March.
- Lemieux, Thomas & Milligan, Kevin, 2008.
"Incentive effects of social assistance: A regression discontinuity approach,"
Journal of Econometrics, Elsevier, vol. 142(2), pages 807-828, February.
- Thomas Lemieux & Kevin Milligan, 2004. "Incentive Effects of Social Assistance: A Regression Discontinuity Approach," NBER Working Papers 10541, National Bureau of Economic Research, Inc.
- Abbring, Jaap H. & Heckman, James J., 2007. "Econometric Evaluation of Social Programs, Part III: Distributional Treatment Effects, Dynamic Treatment Effects, Dynamic Discrete Choice, and General Equilibrium Policy Evaluation," Handbook of Econometrics, in: J.J. Heckman & E.E. Leamer (ed.), Handbook of Econometrics, edition 1, volume 6, chapter 72, Elsevier.
- Hahn, Jinyong & Todd, Petra & Van der Klaauw, Wilbert, 2001. "Identification and Estimation of Treatment Effects with a Regression-Discontinuity Design," Econometrica, Econometric Society, vol. 69(1), pages 201-209, January.
- Rosen, Sherwin, 1987. "The theory of equalizing differences," Handbook of Labor Economics, in: O. Ashenfelter & R. Layard (ed.), Handbook of Labor Economics, edition 1, volume 1, chapter 12, pages 641-692, Elsevier.
- A. D. Roy, 1951. "Some Thoughts On The Distribution Of Earnings," Oxford Economic Papers, Oxford University Press, vol. 3(2), pages 135-146.
- O. Ashenfelter & R. Layard (ed.), 1987. "Handbook of Labor Economics," Handbook of Labor Economics, Elsevier, edition 1, volume 2, number 2.
- Pagan,Adrian & Ullah,Aman, 1999.
"Nonparametric Econometrics,"
Cambridge Books,
Cambridge University Press, number 9780521355643, September.
- Pagan,Adrian & Ullah,Aman, 1999. "Nonparametric Econometrics," Cambridge Books, Cambridge University Press, number 9780521586115, September.
- Paul Windrum & Giorgio Fagiolo & Alessio Moneta, 2007. "Empirical Validation of Agent-Based Models: Alternatives and Prospects," Journal of Artificial Societies and Social Simulation, Journal of Artificial Societies and Social Simulation, vol. 10(2), pages 1-8.
- John DiNardo & David S. Lee, 2004. "Economic Impacts of Unionization on Private Sector Employers: 1984-2001," NBER Working Papers 10598, National Bureau of Economic Research, Inc.
- Joshua Angrist & Eric Bettinger & Michael Kremer, 2006. "Long-Term Educational Consequences of Secondary School Vouchers: Evidence from Administrative Records in Colombia," American Economic Review, American Economic Association, vol. 96(3), pages 847-862, June.
- Erica Field, 2007. "Entitled to Work: Urban Property Rights and Labor Supply in Peru," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 122(4), pages 1561-1602.
- Reiss, Peter C. & Wolak, Frank A., 2007. "Structural Econometric Modeling: Rationales and Examples from Industrial Organization," Handbook of Econometrics, in: J.J. Heckman & E.E. Leamer (ed.), Handbook of Econometrics, edition 1, volume 6, chapter 64, Elsevier.
- Lee, David S., 2008. "Randomized experiments from non-random selection in U.S. House elections," Journal of Econometrics, Elsevier, vol. 142(2), pages 675-697, February.
- Angrist, Joshua D, 1990. "Lifetime Earnings and the Vietnam Era Draft Lottery: Evidence from Social Security Administrative Records: Errata," American Economic Review, American Economic Association, vol. 80(5), pages 1284-1286, December.
- McCrary, Justin, 2008. "Manipulation of the running variable in the regression discontinuity design: A density test," Journal of Econometrics, Elsevier, vol. 142(2), pages 698-714, February.
- Hanming Fang & Michael Keane & Ahmed Khwaja & Martin Salm & Dan Silverman, 2007.
"Testing the Mechanisms of Structural Models: The Case of the Mickey Mantle Effect,"
American Economic Review, American Economic Association, vol. 97(2), pages 53-59, May.
- Hanming Fang & Michael Keane & Ahmed Khwaja, & Martin Salm & Dan Silverman, 2006. "Testing the Mechanisms of Structural Models: The Case of the Mickey Mantle Effect," MEA discussion paper series 06113, Munich Center for the Economics of Aging (MEA) at the Max Planck Institute for Social Law and Social Policy.
- Lucas, Robert Jr, 1976. "Econometric policy evaluation: A critique," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 1(1), pages 19-46, January.
- Philip K. Robins, 1985. "A Comparison of the Labor Supply Findings from the Four Negative Income Tax Experiments," Journal of Human Resources, University of Wisconsin Press, vol. 20(4), pages 567-582.
- James J. Heckman & Hidehiko Ichimura & Petra Todd, 1998. "Matching As An Econometric Evaluation Estimator," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 65(2), pages 261-294.
- O. Ashenfelter & R. Layard (ed.), 1987. "Handbook of Labor Economics," Handbook of Labor Economics, Elsevier, edition 1, volume 1, number 1.
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More about this item
JEL classification:
- C10 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - General
- C50 - Mathematical and Quantitative Methods - - Econometric Modeling - - - General
- C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation, Validation, and Selection
- H00 - Public Economics - - General - - - General
- I00 - Health, Education, and Welfare - - General - - - General
- J00 - Labor and Demographic Economics - - General - - - General
- J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
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