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DIFF: Stata module to perform Differences in Differences estimation

Author

Listed:
  • Juan M. Villa

    () (Brooks World Poverty Institute)

Abstract

diff performs several differences in differences (diff-in-diff) estimations of the treatment effect of a given outcome variable from a pooled base line and follow up dataset: Single Diff-in-Diff, Diff-in-Diff controlling for covariates, Kernel-based Propensity Score Matching diff-in-diff, and the Quantile Diff-in-Diff. diff is also suitable for estimating repeated cross section diff-in-diff (except for the kernel option).

Suggested Citation

  • Juan M. Villa, 2009. "DIFF: Stata module to perform Differences in Differences estimation," Statistical Software Components S457083, Boston College Department of Economics, revised 16 Aug 2017.
  • Handle: RePEc:boc:bocode:s457083
    Note: This module should be installed from within Stata by typing "ssc install diff". Windows users should not attempt to download these files with a web browser.
    as

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    File URL: http://fmwww.bc.edu/repec/bocode/d/diff.ado
    File Function: program code
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/d/diffbs.ado
    File Function: program code
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    File URL: http://fmwww.bc.edu/repec/bocode/d/diff.sthlp
    File Function: help file
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    File URL: http://fmwww.bc.edu/repec/bocode/c/CardKrueger1994.dta
    File Function: ancillary data file
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