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  • New SSC package: rdstagger — staggered regression discontinuity with spillover diagnostics

    Dear Statalist members,

    I am pleased to announce that rdstagger is now available from SSC for Stata 14.1 and above.

    rdstagger provides tools for staggered regression-discontinuity designs, where treatment is assigned by a running variable crossing a cutoff and treatment timing varies across cohorts or groups.

    The package includes:

    rdstagger_sim — simulate staggered RD panel data
    rdstagger — estimate cohort-by-period ATT(g,t) effects
    rdstagger_agg — aggregate effects into event-study, group, calendar-time, or overall summaries
    rdstagger_pretest — run pre-treatment falsification tests
    rdstagger_plot — produce event-study plots
    rdstagger_spillover — examine possible spillover effects using near- and far-control comparisons

    Installation:
    ssc install rdstagger, replace
    Example:
    rdstagger_sim, n(400) periods(8) cohorts(3) seed(42) rdstagger y x, cutoff(0) gvar(g) tvar(period) idvar(id) bw(1.5) rdstagger_pretest, method(both) rdstagger_agg, type(dynamic) rdstagger_plot, name(event_study) rdstagger_spillover
    Help:
    help rdstagger
    GitHub:
    https://github.com/causalfragility-l...tagger-Stata14

    Feedback, suggestions, and bug reports are very welcome.

    Best regards,
    Subir Hait
    Michigan State University
    ORCID: https://orcid.org/0009-0004-9871-9677
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