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.