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MULTISYNTH: Stata module to build synthetic clones for treated panel units

Author

Listed:
  • Leonhard Benedikt Friedel

    (WHU - Otto Beisheim School of Management)

Programming Language

Abstract

multisynth extends the synthetic-control method of Abadie, Diamond, and Hainmüller (2010) to panel settings with multiple treated units and staggered treatment timing. The synthetic-control idea — finding a convex combination of untreated units that reproduces the treated unit's pre-treatment outcome path — is applied independently to each treated unit. Treated units are identified by treated()==1; the variable post() defines the unit-specific split between pre-treatment and post-treatment observations, so units need not share a common treatment date.

Suggested Citation

  • Leonhard Benedikt Friedel, 2026. "MULTISYNTH: Stata module to build synthetic clones for treated panel units," Statistical Software Components S459680, Boston College Department of Economics.
    • Handle: RePEc:boc:bocode:s459680
    Note: This module should be installed from within Stata by typing "ssc install multisynth". The module is made available under terms of the MIT license (https://opensource.org/licenses/MIT).
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    File URL: http://fmwww.bc.edu/repec/bocode/m/multisynth.ado
    File Function: program code
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    File URL: http://fmwww.bc.edu/repec/bocode/m/multisynth.sthlp
    File Function: help file
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    File URL: http://fmwww.bc.edu/repec/bocode/m/multisynth_stack.dta
    File Function: sample data file
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    File URL: http://fmwww.bc.edu/repec/bocode/m/multisynth_weights.dta
    File Function: sample data file
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    File URL: http://fmwww.bc.edu/repec/bocode/m/multisynth_example_data.dta
    File Function: sample data file
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    File URL: http://fmwww.bc.edu/repec/bocode/m/multisynth_example.do
    File Function: sample do-file
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