Marginal effects and significance testing with Heckman's sample selection model: a methodological note

References

• Diehl , P. and Goertz , G. 2000 . War and Peace in International Rivalry , Ann Arbor : University of Michigan Press .
   Google Scholar
• Dow , W. and Norton , E. 2003 . Choosing between and interpreting the Heckit and two-part models for corner solutions . Health Services & Outcomes Research Methodology , 4 : 5 – 18 .
   Google Scholar
• Drury , A. C. , Olson , R. S. and Van Belle , D. A. 2005 . The politics of humanitarian aid: U.S. foreign disaster assistance, 1964–1995 . The Journal of Politics , 67 : 454 – 73 .
   Web of Science ®Google Scholar
• Goetz , S. J. 1992 . A selectivity model of household food marketing behavior in sub-Saharan Africa . American Journal of Agricultural Economics , 74 : 444 – 52 .
   Web of Science ®Google Scholar
• Guan , W. 2003 . From the help desk: bootstrapped standard errors . The Stata Journal , 3 : 71 – 80 .
   Web of Science ®Google Scholar
• Heckman , J. 1979 . Sample selection bias as a specification error . Econometrica , 47 : 153 – 61 .
   Web of Science ®Google Scholar
• Huang , C. , Raunikar , R. and Misra , S. 1991 . The application and economic interpretation of selectivity models . American Journal of Agricultural Economics , 73 : 496 – 501 .
   Web of Science ®Google Scholar
• Lebovic , J. H. 2004 . Uniting for peace? Democracies and United Nations peace operations after the Cold War . Journal of Conflict Resolution , 48 : 910 – 36 .
   Web of Science ®Google Scholar
• Saha , A. , Capps , O. and Byrne , P. J. 1997 . Calculating marginal effects in models for zero expenditures in household budgets using Heckman-type correction . Applied Economics , 29 : 1311 – 16 .
   Web of Science ®Google Scholar
• Sigelman , L. and Zeng , L. 1999 . Analyzing censored and sample-selected data with Tobit and Heckman models . Political Analysis , 8 : 167 – 82 .
   Google Scholar
• Sweeney , K. J. 2003 . The severity of interstate disputes: are dyadic capability preponderances really more pacific? . Journal of Conflict Resolution , 47 : 728 – 50 .
   Web of Science ®Google Scholar
• Vance , C. and Geoghegan , J. 2004 . Modeling semi-subsistence and commercial land-use decisions in an agricultural frontier of Southern Mexico: a switching regression approach . International Regional Science Review , 27 : 326 – 47 .
   Web of Science ®Google Scholar
• Xu, J. and Long, J. S. (2005) Confidence intervals for predicted outcomes in regression models for categorical outcomes. Available at http://www.indiana.edu/jslsoc/stata/spostci/xulong-prvalue-23aug2005.pdf
   Google Scholar