1. Arvanitis, Spyros & Hollenstein, Heinz & Lenz, Stephan, 2002. " The Effectiveness of Government Promotion of Advanced Manufacturing Technologies (AMT): An Economic Analysis Based on Swiss Micro Data," Small Business Economics, Springer, vol. 19(4), pages 321-40, December. [Downloadable!] (restricted)
2. Marcia M Schafgans & Victoria Zinde-Walsh, 2000. "On Intercept Estimation in the Sample Selection Model," STICERD - Econometrics Paper Series /2000/380, Suntory and Toyota International Centres for Economics and Related Disciplines, LSE. [Downloadable!]
   Other versions:
   • Schafgans, Marcia M.A. & Zinde-Walsh, Victoria, 2002. "On Intercept Estimation In The Sample Selection Model," Econometric Theory, Cambridge University Press, vol. 18(01), pages 40-50, February. [Downloadable!]
3. Manski, C.F., 1990. "The Selection Problem," Working papers 90-12, Wisconsin Madison - Social Systems.
4. Paul A. David & Bronwyn H. Hall & Andrew A. Toole, 1999. "Is Public R&D a Complement or Substitute for Private R&D? A Review of the Econometric Evidence," Working Papers 99023, Stanford University, Department of Economics. [Downloadable!]
   Other versions:
   • Paul A. David & Bronwyn H. Hall & Andrew A. Toole, 1999. "Is Public R&D a Complement or Substitute for Private R&D? A Review of the Econometric Evidence," NBER Working Papers 7373, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
   • Paul A. David & Bronwyn H. Hall & Andrew A. Toole, 2000. "Is Public R&D a Complement or Substitute for Private R&D? A Review of the Econometric Evidence," Development and Comp Systems 9912002, EconWPA. [Downloadable!]
   • Paul A. David & Bronwyn H. Hall & Andrew A. Toole, 2005. "Is Public R&D a Complement or Substitute for Private R&D? A Review of the Econometric Evidence," Development and Comp Systems 0502011, EconWPA. [Downloadable!]
   • Paul A. David, Bronwyn H. Hall and Andrew A. Toole., 1999. "Is Public R&D a Complement or Substitute for Private R&D? A Review of the Econometric Evidence," Economics Working Papers E99-269, University of California at Berkeley. [Downloadable!]
   • David, Paul A. & Hall, Bronwyn H. & Toole, Andrew A., 2000. "Is public R&D a complement or substitute for private R&D? A review of the econometric evidence," Research Policy, Elsevier, vol. 29(4-5), pages 497-529, April. [Downloadable!] (restricted)
5. Heckman, James J, 1974. "Shadow Prices, Market Wages, and Labor Supply," Econometrica, Econometric Society, vol. 42(4), pages 679-94, July. [Downloadable!] (restricted)
6. Heckman, James J, 1990. "Varieties of Selection Bias," American Economic Review, American Economic Association, vol. 80(2), pages 313-18, May.
7. Whitney Newey, 1999. "Two Step Series Estimation of Sample Selection Models," Working papers 99-04, Massachusetts Institute of Technology (MIT), Department of Economics.
8. Heckman, James J, 1979. "Sample Selection Bias as a Specification Error," Econometrica, Econometric Society, vol. 47(1), pages 153-61, January. [Downloadable!] (restricted)
9. Czarnitzki, Dirk & Kraft, Kornelius, 2000. "Haftungsregeln und Innovation," ZEW Discussion Papers 00-38, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research. [Downloadable!]
10. Xulia González & Jordi Jaumandreu & Consuelo Pazo, 2005. "Barriers to Innovation and Subsidy Effectiveness," RAND Journal of Economics, The RAND Corporation, vol. 36(4), pages 930-949, Winter.
11. James Heckman & Hidehiko Ichimura & Jeffrey Smith & Petra Todd, 1998. "Characterizing Selection Bias Using Experimental Data," Econometrica, Econometric Society, vol. 66(5), pages 1017-1098, September.
    Other versions:
    • James Heckman & Hidehiko Ichimura & Jeffrey Smith & Petra Todd, 1998. "Characterizing Selection Bias Using Experimental Data," NBER Working Papers 6699, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
12. Aerts, Kris & Czarnitzki, Dirk, 2004. "Using Innovation Survey Data to Evaluate R&D Policy : The Case of Belgium," ZEW Discussion Papers 04-55, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research. [Downloadable!]
13. Czarnitzki, Dirk & Fier, Andreas, 2003. "Publicly Funded R&D Collaborations and Patent Outcome in Germany," ZEW Discussion Papers 03-24, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research. [Downloadable!]
14. Cohen, Wesley M & Levinthal, Daniel A, 1989. "Innovation and Learning: The Two Faces of R&D," Economic Journal, Royal Economic Society, vol. 99(397), pages 569-96, September. [Downloadable!] (restricted)
15. Gallant, A Ronald & Nychka, Douglas W, 1987. "Semi-nonparametric Maximum Likelihood Estimation," Econometrica, Econometric Society, vol. 55(2), pages 363-90, March. [Downloadable!] (restricted)
16. Lichtenberg, Frank R, 1984. "The Relationship between Federal Contract R&D and Company R&D," American Economic Review, American Economic Association, vol. 74(2), pages 73-78, May.
17. Lee, Lung-Fei, 1982. "Some Approaches to the Correction of Selectivity Bias," Review of Economic Studies, Blackwell Publishing, vol. 49(3), pages 355-72, July. [Downloadable!] (restricted)
18. Richard Blundell & Monica Costa Dias, 2000. "Evaluation methods for non-experimental data," Fiscal Studies, Institute for Fiscal Studies, vol. 21(4), pages 427-468, January. [Downloadable!]
19. Nawata, Kazumitsu, 1993. "A note on the estimation of models with sample-selection biases," Economics Letters, Elsevier, vol. 42(1), pages 15-24. [Downloadable!] (restricted)
20. Bronwyn H. Hall, 1991. "The Impact of Corporate Restructuring on Industrial Research and Development," NBER Working Papers 3216, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
    Other versions:
    • Bronwyn H. Hall., 1989. "The Impact of Corporate Restructuring on Industrial Research and Development," Economics Working Papers 89-129, University of California at Berkeley.
21. Robinson, Peter M, 1988. "Root- N-Consistent Semiparametric Regression," Econometrica, Econometric Society, vol. 56(4), pages 931-54, July. [Downloadable!] (restricted)
22. Kenneth Arrow, 1962. "Economic Welfare and the Allocation of Resources for Invention," NBER Chapters, in: The Rate and Direction of Inventive Activity: Economic and Social Factors, pages 609-626 National Bureau of Economic Research, Inc. [Downloadable!]
23. Greene, William H, 1981. "Sample Selection Bias as a Specification Error: Comment," Econometrica, Econometric Society, vol. 49(3), pages 795-98, May. [Downloadable!] (restricted)
24. Cosslett, Stephen R, 1983. "Distribution-Free Maximum Likelihood Estimator of the Binary Choice Model," Econometrica, Econometric Society, vol. 51(3), pages 765-82, May. [Downloadable!] (restricted)
25. Ravenscraft, D & Scherer, F M, 1982. "The Lag Structure of Returns to Research and Development," Applied Economics, Taylor and Francis Journals, vol. 14(6), pages 603-20, December.
26. Klette, T.J. & Moen, J. & Griliches, Z., 1999. "Do Subsidies to Commercial R&D Reduce Market Failures? Microeconometric Evaluation Studies," Papers 16/99, Norwegian School of Economics and Business Administration-.
    Other versions:
    • Klette, Tor Jakob & Moen, Jarle & Griliches, Zvi, 2000. "Do subsidies to commercial R&D reduce market failures? Microeconometric evaluation studies1," Research Policy, Elsevier, vol. 29(4-5), pages 471-495, April. [Downloadable!] (restricted)
27. Newey, Whitney K. & McFadden, Daniel, 1986. "Large sample estimation and hypothesis testing," Handbook of Econometrics, in: R. F. Engle & D. McFadden (ed.), Handbook of Econometrics, edition 1, volume 4, chapter 36, pages 2111-2245 Elsevier. [Downloadable!] (restricted)
28. Michael Lechner, 2005. "A Note on Endogenous Control Variables in Evaluation Studies," University of St. Gallen Department of Economics working paper series 2005 2005-16, Department of Economics, University of St. Gallen. [Downloadable!]
29. Chamberlain, Gary, 1986. "Asymptotic efficiency in semi-parametric models with censoring," Journal of Econometrics, Elsevier, vol. 32(2), pages 189-218, July. [Downloadable!] (restricted)
30. Chen, Songnian, 1999. "Distribution-free estimation of the random coefficient dummy endogenous variable model," Journal of Econometrics, Elsevier, vol. 91(1), pages 171-199, July. [Downloadable!] (restricted)
31. Jens Matthias Arnold & Katrin Hussinger, 2005. "Export Behavior and Firm Productivity in German Manufacturing: A Firm-Level Analysis," Review of World Economics (Weltwirtschaftliches Archiv), Springer, vol. 141(2), pages 219-243, July. [Downloadable!] (restricted)
    Other versions:
    • Jens Matthias Arnold & Katrin Hussinger, 2004. "Export Behavior and Firm Productivity in German Manufacturing: A firm-level analysis," International Trade 0403007, EconWPA, revised 02 Nov 2004. [Downloadable!]
    • Jens Matthias Arnold & Katrin Hussinger, 2003. "Export Behavior and Firm productivity in German Manufacturing. A Firm-Level Analysis," Development Working Papers 184, Centro Studi Luca d\'Agliano, University of Milano. [Downloadable!]
    • Arnold, Jens Matthias & Hussinger, Katrin, 2004. "Export Behavior and Firm Productivity in German Manufacturing : A Firm-level Analysis," ZEW Discussion Papers 04-12, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research. [Downloadable!]
32. Marcia M. A. Schafgans, 2000. "On Intercept Estimation in the Sample Selection Model," Econometric Society World Congress 2000 Contributed Papers 0730, Econometric Society. [Downloadable!]
33. Andrews, Donald W K & Schafgans, Marcia M A, 1998. "Semiparametric Estimation of the Intercept of a Sample Selection Model," Review of Economic Studies, Blackwell Publishing, vol. 65(3), pages 497-517, July. [Downloadable!] (restricted)
34. Richard Blundell & Monica Costa Dias, 2002. "Alternative approaches to evaluation in empirical microeconomics," CeMMAP working papers CWP10/02, Centre for Microdata Methods and Practice, Institute for Fiscal Studies. [Downloadable!]
    Other versions:
    • Richard Blundell & Monica Costa Dias, 2008. "Alternative approaches to evaluation in empirical microeconomics," CeMMAP working papers CWP26/08, Centre for Microdata Methods and Practice, Institute for Fiscal Studies. [Downloadable!]
    • Richard Blundell & Mónica Costa Dias, 2008. "Alternative Approaches to Evaluation in Empirical Microeconomics," CETE Discussion Papers 0805, Universidade do Porto, Faculdade de Economia do Porto. [Downloadable!]
    • Blundell, Richard & Costa Dias, Monica, 2008. "Alternative Approaches to Evaluation in Empirical Microeconomics," IZA Discussion Papers 3800, Institute for the Study of Labor (IZA). [Downloadable!]
    • Richard Blundell & Monica Costa Dias, 2009. "Alternative Approaches to Evaluation in Empirical Microeconomics," Journal of Human Resources, University of Wisconsin Press, vol. 44(3). [Downloadable!] (restricted)
35. Dirk Czarnitzki, 2005. "The Extent and Evolution of Productivity Deficiency in Eastern Germany," Journal of Productivity Analysis, Springer, vol. 24(2), pages 211-231, October. [Downloadable!] (restricted)
36. Puhani, Patrick A, 2000. " The Heckman Correction for Sample Selection and Its Critique," Journal of Economic Surveys, Blackwell Publishing, vol. 14(1), pages 53-68, February. [Downloadable!] (restricted)

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1. David Marmet, 2004. "Growth of New Firms : Which Factors Influence Post-Entry Performance? An Empirical Analysis Based on Swiss Firm Data," Working papers 04-97, KOF Swiss Economic Institute, ETH Zurich. [Downloadable!]
2. João Alberto De Negri & Mauro Borges Lemos & Fernanda De Negri, 2006. "The Impact of University Enterprise Incentive Program on the Performance and Technological Efforts of Brazilian Industrial Firms," OVE Working Papers 1306, Inter-American Development Bank, Office of Evaluation and Oversight (OVE). [Downloadable!]
3. João Alberto De Negri & Mauro Borges Lemos & Fernanda De Negri, 2006. "Impact of P&D Incentive Program on the Performance and Technological Efforts of Brazilian Industrial Firms," OVE Working Papers 1406, Inter-American Development Bank, Office of Evaluation and Oversight (OVE). [Downloadable!]