. reghdfe ln_w grade age ttl_exp tenure not_smsa south , absorb(idcode year) (dropped 550 singleton observations) note: grade is probably collinear with the fixed effects (all partialled-out v > alues are close to zero; tol = 1.0e-09) (MWFE estimator convergedin8 iterations) note:...
. reghdfe rebel canal_post, absorb(i.county i.year) cluster(county) (MWFE estimator convergedin2 iterations) HDFE Linear regression Number of obs = 140,432 Absorbing 2 HDFE groups F( 1, 535) = 5.23 Statistics robust to heteroskedasticity Prob > F = 0.0226 R-squared = 0.0308 Adj R-s...