First release. An end-to-end toolkit for shift-share (Bartik) instrumental variables, spanning both identification routes (exogenous shares and exogenous shocks) from instrument construction through estimation, inference, and credibility diagnostics.
ssb_design(), ssbartik(), and
ssb_estimate(), reporting a panel of confidence intervals
(IID, EHW, and exposure-robust AKM / AKM0 by default; cluster and
two-way available on request).ssb_rotemberg(),
ssb_weight_summary(), ssb_loo(),
ssb_drop_top().ssb_aggregate(), ssb_shock_iv(),
ssb_equivalence(), ssb_recenter().ssb_first_stage(),
ssb_overid(), ssb_share_balance(),
ssb_shock_balance(), ssb_pretrend(),
ssb_placebo(), ssb_ri().autoplot() / ssb_plot_*() figures
(including the ssb_plot_ci() interval comparison), and
paste-ready tables via format(x, "latex" / "markdown") and
a rendered plot() for the Rotemberg table.