Settings journal

Sample
  units with equations                          565
  equations (stacked rows)                      6780
  units dropped (fewer than two equation rows)  0
  history used for lags and instruments         whole panel

Model
  transformation         first differences
  threshold effect       jump
  dynamics               dynamic (lagged y added)
  time effects (td)      no
  threshold variable     debt
  endogenous regressors  cashflow, tobin_q, debt

Instruments and weights
  instruments kept                      25
  collapsed instruments                 yes
  collapsed external instruments        yes
  instrument lags                       3 to 8
  columns removed: common to all units  0
  columns removed: empty                0
  columns removed: duplicates           0
  columns removed: linear combinations  0
  first-step weight                     MA(1) (first differences) or (Z'Z)^-1 (deviations)
  estimator                             two-step GMM

Threshold search
  grid of thresholds                  uniform
  grid points requested               100
  grid points evaluated               100
  grid points admitted                99
  range searched                      [0, 0.604442]
  trimming of the threshold variable  0.1
  smallest regime allowed             368

Inference
  variance estimator                 robust
  variance joint with the threshold  yes
  kernel bandwidth of the threshold  0.112204
  confidence level (%)               95
  bootstrap run                      yes
  bootstrap type                     wild
  bootstrap draws                    299
  bootstrap seed                     20260611
  points of the confidence-set grid  100
  confidence-set points unresolved   0

Software
  package     pyxtdpthresh 0.0.1
  reproduces  xtdpthresh 0.9.38 (Stata 17)
