The Gift of a Lifetime — expanded estimators

Archive index · Regression tests · Results & settings (JSON) · Methods & code

Hollingsworth et al. (2024), AER. https://doi.org/10.1257/aer.20230008

9 specifications. Effects are in outcome standard deviations; intervals are 95%.

Treatment adoption

Treatment adoption timing

S16-P001: seeded sample of 91 of 91 eligible units. Purple untreated; yellow treated; white unobserved.

GIFT-F4-LOGIMR-CSA-BLACK

GIFT-F4-LOGIMR-CSA-BLACK · Main Figure4 row3 · Data & fit details

1,826 observations · 91 units · 91 clusters · 41 treated / 50 control units.

Estimate comparison

S16-P001: point estimates, targets and available 95% intervals
Estimator Estimate (SDs) SE 95% CI Averaging
Static TWFE -0.234 0.078 [-0.390, -0.078] Coefficient
Dynamic TWFE -0.171 0.083 [-0.336, -0.006] equal_periods
BJS / did2s -0.259 0.070 [-0.397, -0.121] equal_periods
Sun–Abraham -0.241 0.066 [-0.373, -0.110] equal_periods
CS-DID (equal event-time) -0.338 0.098 [-0.531, -0.146] Equal post-event times
CS-DID (treated cells) -0.301 0.102 [-0.502, -0.101] Treated cells
Matrix completion -0.216 — — Treated cells
Horizontal ridge -0.568 — — Treated cells
Event studies

Periods −10 to +10; pointwise 95% intervals where available.

Dynamic TWFE event study BJS / did2s event study Sun–Abraham event study CS-DID event study Matrix completion event study Horizontal ridge event study

GIFT-F4-LOGIMR-CSA-POOL

GIFT-F4-LOGIMR-CSA-POOL · Main Figure4 row3 · Data & fit details

2,100 observations · 100 units · 100 clusters · 48 treated / 52 control units.

Estimate comparison

S16-P002: point estimates, targets and available 95% intervals
Estimator Estimate (SDs) SE 95% CI Averaging
Static TWFE -0.212 0.073 [-0.357, -0.067] Coefficient
Dynamic TWFE -0.145 0.069 [-0.283, -0.007] equal_periods
BJS / did2s -0.212 0.071 [-0.352, -0.072] equal_periods
Sun–Abraham -0.214 0.079 [-0.370, -0.058] equal_periods
CS-DID (equal event-time) -0.330 0.105 [-0.536, -0.125] Equal post-event times
CS-DID (treated cells) -0.277 0.107 [-0.486, -0.068] Treated cells
SDID -0.040 — — Treated cells
Matrix completion -0.276 — — Treated cells
Horizontal ridge -0.487 — — Treated cells
Event studies

Periods −10 to +10; pointwise 95% intervals where available.

Dynamic TWFE event study BJS / did2s event study Sun–Abraham event study CS-DID event study SDID event study Matrix completion event study Horizontal ridge event study

GIFT-F4-LOGIMR-CSA-WHITE

GIFT-F4-LOGIMR-CSA-WHITE · Main Figure4 row3 · Data & fit details

1,990 observations · 95 units · 95 clusters · 46 treated / 49 control units.

Estimate comparison

S16-P003: point estimates, targets and available 95% intervals
Estimator Estimate (SDs) SE 95% CI Averaging
Static TWFE -0.136 0.078 [-0.291, 0.020] Coefficient
Dynamic TWFE -0.092 0.071 [-0.232, 0.049] equal_periods
BJS / did2s -0.129 0.079 [-0.287, 0.028] equal_periods
Sun–Abraham -0.130 0.099 [-0.326, 0.066] equal_periods
CS-DID (equal event-time) -0.254 0.112 [-0.474, -0.035] Equal post-event times
CS-DID (treated cells) -0.217 0.111 [-0.436, 0.001] Treated cells
SDID -0.044 — — Treated cells
Matrix completion -0.229 — — Treated cells
Horizontal ridge -0.489 — — Treated cells
Event studies

Periods −10 to +10; pointwise 95% intervals where available.

Dynamic TWFE event study BJS / did2s event study Sun–Abraham event study CS-DID event study SDID event study Matrix completion event study Horizontal ridge event study

GIFT-F5A-BLACK

GIFT-F5A-BLACK · Main Figure5a · Data & fit details

1,995 observations · 95 units · 95 clusters · 46 treated / 49 control units.

Estimate comparison

S16-P004: point estimates, targets and available 95% intervals
Estimator Estimate (SDs) SE 95% CI Averaging
Static TWFE -0.191 0.052 [-0.296, -0.087] Coefficient
Dynamic TWFE -0.172 0.066 [-0.303, -0.040] Treated cells
BJS / did2s -0.239 0.064 [-0.366, -0.111] Treated cells
Sun–Abraham -0.219 0.047 [-0.313, -0.126] Treated cells
CS-DID (equal event-time) -0.289 0.064 [-0.414, -0.164] Equal post-event times
CS-DID (treated cells) -0.218 0.071 [-0.356, -0.079] Treated cells
SDID -0.182 — — Treated cells
Matrix completion -0.190 — — Treated cells
Horizontal ridge -0.336 — — Treated cells
Event studies

Periods −10 to +10; pointwise 95% intervals where available.

Dynamic TWFE event study BJS / did2s event study Sun–Abraham event study CS-DID event study SDID event study Matrix completion event study Horizontal ridge event study

GIFT-F5A-LOGIMR-CSA-BLACK

GIFT-F5A-LOGIMR-CSA-BLACK · Main Figure5a · Data & fit details

1,862 observations · 95 units · 95 clusters · 42 treated / 53 control units.

Estimate comparison

S16-P005: point estimates, targets and available 95% intervals
Estimator Estimate (SDs) SE 95% CI Averaging
Static TWFE -0.213 0.071 [-0.355, -0.071] Coefficient
Dynamic TWFE -0.198 0.090 [-0.376, -0.019] Treated cells
BJS / did2s -0.276 0.082 [-0.440, -0.113] Treated cells
Sun–Abraham -0.281 0.069 [-0.417, -0.144] Treated cells
CS-DID (equal event-time) -0.308 0.090 [-0.483, -0.132] Equal post-event times
CS-DID (treated cells) -0.274 0.093 [-0.457, -0.091] Treated cells
Matrix completion -0.198 — — Treated cells
Event studies

Periods −10 to +10; pointwise 95% intervals where available.

Dynamic TWFE event study BJS / did2s event study Sun–Abraham event study CS-DID event study Matrix completion event study

GIFT-F5A-LOGIMR-CSA-POOL

GIFT-F5A-LOGIMR-CSA-POOL · Main Figure5a · Data & fit details

2,100 observations · 100 units · 100 clusters · 48 treated / 52 control units.

Estimate comparison

S16-P006: point estimates, targets and available 95% intervals
Estimator Estimate (SDs) SE 95% CI Averaging
Static TWFE -0.212 0.073 [-0.357, -0.067] Coefficient
Dynamic TWFE -0.246 0.097 [-0.439, -0.053] Treated cells
BJS / did2s -0.300 0.089 [-0.478, -0.123] Treated cells
Sun–Abraham -0.314 0.096 [-0.504, -0.124] Treated cells
CS-DID (equal event-time) -0.330 0.105 [-0.536, -0.125] Equal post-event times
CS-DID (treated cells) -0.277 0.107 [-0.486, -0.068] Treated cells
SDID -0.040 — — Treated cells
Matrix completion -0.276 — — Treated cells
Horizontal ridge -0.487 — — Treated cells
Event studies

Periods −10 to +10; pointwise 95% intervals where available.

Dynamic TWFE event study BJS / did2s event study Sun–Abraham event study CS-DID event study SDID event study Matrix completion event study Horizontal ridge event study

GIFT-F5A-LOGIMR-CSA-WHITE

GIFT-F5A-LOGIMR-CSA-WHITE · Main Figure5a · Data & fit details

2,095 observations · 100 units · 100 clusters · 48 treated / 52 control units.

Estimate comparison

S16-P007: point estimates, targets and available 95% intervals
Estimator Estimate (SDs) SE 95% CI Averaging
Static TWFE -0.134 0.077 [-0.288, 0.020] Coefficient
Dynamic TWFE -0.214 0.097 [-0.407, -0.021] Treated cells
BJS / did2s -0.236 0.087 [-0.410, -0.063] Treated cells
Sun–Abraham -0.238 0.112 [-0.461, -0.016] Treated cells
CS-DID (equal event-time) -0.245 0.110 [-0.461, -0.030] Equal post-event times
CS-DID (treated cells) -0.211 0.109 [-0.426, 0.003] Treated cells
SDID -0.051 — — Treated cells
Matrix completion -0.227 — — Treated cells
Horizontal ridge -0.512 — — Treated cells
Event studies

Periods −10 to +10; pointwise 95% intervals where available.

Dynamic TWFE event study BJS / did2s event study Sun–Abraham event study CS-DID event study SDID event study Matrix completion event study Horizontal ridge event study

GIFT-F5A-POOL

GIFT-F5A-POOL · Main Figure5a · Data & fit details

2,100 observations · 100 units · 100 clusters · 48 treated / 52 control units.

Estimate comparison

S16-P008: point estimates, targets and available 95% intervals
Estimator Estimate (SDs) SE 95% CI Averaging
Static TWFE -0.269 0.083 [-0.434, -0.104] Coefficient
Dynamic TWFE -0.295 0.117 [-0.527, -0.063] Treated cells
BJS / did2s -0.385 0.109 [-0.601, -0.169] Treated cells
Sun–Abraham -0.390 0.111 [-0.609, -0.171] Treated cells
CS-DID (equal event-time) -0.369 0.122 [-0.607, -0.130] Equal post-event times
CS-DID (treated cells) -0.342 0.127 [-0.590, -0.093] Treated cells
SDID -0.118 — — Treated cells
Matrix completion -0.397 — — Treated cells
Horizontal ridge -0.491 — — Treated cells
Event studies

Periods −10 to +10; pointwise 95% intervals where available.

Dynamic TWFE event study BJS / did2s event study Sun–Abraham event study CS-DID event study SDID event study Matrix completion event study Horizontal ridge event study

GIFT-F5A-WHITE

GIFT-F5A-WHITE · Main Figure5a · Data & fit details

1,995 observations · 95 units · 95 clusters · 46 treated / 49 control units.

Estimate comparison

S16-P009: point estimates, targets and available 95% intervals
Estimator Estimate (SDs) SE 95% CI Averaging
Static TWFE -0.174 0.090 [-0.353, 0.005] Coefficient
Dynamic TWFE -0.241 0.112 [-0.464, -0.018] Treated cells
BJS / did2s -0.297 0.106 [-0.507, -0.087] Treated cells
Sun–Abraham -0.297 0.128 [-0.551, -0.044] Treated cells
CS-DID (equal event-time) -0.277 0.124 [-0.519, -0.034] Equal post-event times
CS-DID (treated cells) -0.255 0.126 [-0.501, -0.008] Treated cells
SDID -0.174 — — Treated cells
Matrix completion -0.337 — — Treated cells
Horizontal ridge -0.554 — — Treated cells
Event studies

Periods −10 to +10; pointwise 95% intervals where available.

Dynamic TWFE event study BJS / did2s event study Sun–Abraham event study CS-DID event study SDID event study Matrix completion event study Horizontal ridge event study