Copyrights and Creativity — expanded estimators
Archive index · Regression tests · Results & settings (JSON) · Methods & code
Giorcelli and Moser (2020), JPE. https://doi.org/10.1086/710534
4 specifications. Effects are in outcome standard deviations; intervals are 95%.
Treatment adoption
S08-P002: seeded sample of 8 of 8 eligible units. Purple untreated; yellow treated; white unobserved.
C95FF064-T6-C1-ALL-OPERAS-OLS
560 observations · 8 units · 8 clusters · 4 treated / 4 control units.
Controls: latest-adopting cohort; analysis ends before period 71.
Estimate comparison
| Estimator | Estimate (SDs) | SE | 95% CI | Averaging |
|---|---|---|---|---|
| Static TWFE | 1.103 | 0.621 | [-0.366, 2.572] | Coefficient |
| Dynamic TWFE | 0.759 | 0.388 | [-0.158, 1.677] | Treated cells |
| BJS / did2s | 0.967 | 0.423 | [-0.032, 1.966] | Treated cells |
| Sun–Abraham | 1.073 | 0.338 | [0.275, 1.872] | Treated cells |
| CS-DID (equal event-time) | 0.939 | 0.278 | [0.394, 1.484] | Equal post-event times |
| CS-DID (treated cells) | 0.979 | 0.223 | [0.541, 1.417] | Treated cells |
| SDID | 1.250 | — | — | Treated cells |
| Matrix completion | 0.975 | — | — | Treated cells |
| Horizontal ridge | 1.079 | — | — | Treated cells |
| Multisynth (cohort-averaged) | 0.985 | 0.719 | [-0.186, 2.412] | Treated cells |
| Multisynth (individual) | 0.957 | 0.722 | [-0.211, 2.386] | Treated cells |
Event studies
Periods −10 to +10; pointwise 95% intervals where available.
C95FF064-T6-C3-HISTORICALLY-POPULAR-OLS
560 observations · 8 units · 8 clusters · 4 treated / 4 control units.
Controls: latest-adopting cohort; analysis ends before period 71.
Estimate comparison
| Estimator | Estimate (SDs) | SE | 95% CI | Averaging |
|---|---|---|---|---|
| Static TWFE | 0.507 | 0.319 | [-0.246, 1.261] | Coefficient |
| Dynamic TWFE | -0.420 | 1.108 | [-3.039, 2.199] | Treated cells |
| BJS / did2s | 0.561 | 0.350 | [-0.268, 1.389] | Treated cells |
| Sun–Abraham | 0.320 | 0.309 | [-0.412, 1.051] | Treated cells |
| CS-DID (equal event-time) | 0.309 | 0.508 | [-0.687, 1.305] | Equal post-event times |
| CS-DID (treated cells) | 0.135 | 0.699 | [-1.235, 1.505] | Treated cells |
| Matrix completion | 0.551 | — | — | Treated cells |
| Horizontal ridge | 0.830 | — | — | Treated cells |
| Multisynth (cohort-averaged) | 0.712 | 0.569 | [-0.489, 1.865] | Treated cells |
| Multisynth (individual) | 0.722 | 0.567 | [-0.479, 1.865] | Treated cells |
Event studies
Periods −10 to +10; pointwise 95% intervals where available.
C95FF064-T6-C4-METROPOLITAN-OLS
560 observations · 8 units · 8 clusters · 4 treated / 4 control units.
Controls: latest-adopting cohort; analysis ends before period 71.
Estimate comparison
| Estimator | Estimate (SDs) | SE | 95% CI | Averaging |
|---|---|---|---|---|
| Static TWFE | 0.822 | 0.346 | [0.005, 1.639] | Coefficient |
| Dynamic TWFE | -0.115 | 0.975 | [-2.420, 2.189] | Treated cells |
| BJS / did2s | 0.822 | 0.327 | [0.047, 1.596] | Treated cells |
| Sun–Abraham | 0.611 | 0.270 | [-0.028, 1.250] | Treated cells |
| CS-DID (equal event-time) | 0.507 | 0.472 | [-0.417, 1.431] | Equal post-event times |
| CS-DID (treated cells) | 0.388 | 0.568 | [-0.726, 1.501] | Treated cells |
| Matrix completion | 0.848 | — | — | Treated cells |
| Horizontal ridge | 1.127 | — | — | Treated cells |
| Multisynth (cohort-averaged) | 1.099 | 0.661 | [-0.213, 2.372] | Treated cells |
| Multisynth (individual) | 1.110 | 0.662 | [-0.203, 2.403] | Treated cells |
Event studies
Periods −10 to +10; pointwise 95% intervals where available.
C95FF064-T6-C5-AMAZON-DURABLE-OLS
560 observations · 8 units · 8 clusters · 4 treated / 4 control units.
Controls: latest-adopting cohort; analysis ends before period 71.
Estimate comparison
| Estimator | Estimate (SDs) | SE | 95% CI | Averaging |
|---|---|---|---|---|
| Static TWFE | 0.684 | 0.365 | [-0.178, 1.546] | Coefficient |
| Dynamic TWFE | -0.177 | 0.929 | [-2.374, 2.020] | Treated cells |
| BJS / did2s | 0.705 | 0.289 | [0.023, 1.388] | Treated cells |
| Sun–Abraham | 0.503 | 0.232 | [-0.046, 1.051] | Treated cells |
| CS-DID (equal event-time) | 0.397 | 0.454 | [-0.492, 1.286] | Equal post-event times |
| CS-DID (treated cells) | 0.245 | 0.554 | [-0.840, 1.330] | Treated cells |
| SDID | 1.008 | — | — | Treated cells |
| Matrix completion | 0.702 | — | — | Treated cells |
| Horizontal ridge | 1.138 | — | — | Treated cells |
| Multisynth (cohort-averaged) | 0.993 | 0.610 | [-0.137, 2.134] | Treated cells |
Event studies
Periods −10 to +10; pointwise 95% intervals where available.
