Lottery Data: Sensitivity of Estimates of Average Treatment Effects to Propensity Score Specification (standard errors in parentheses)
| Covariate | Preferred Specification CL = 1, CQ = 2.71 | Linear Specification CL = 0, CQ = ∞ | Lasso | |||
|---|---|---|---|---|---|---|
| Blocked | Match | Blocked | Match | Blocked | Match | |
| Number | −5.66 (1.99) | −4.53 (1.36) | −4.61 (2.08) | −3.62 (1.56) | −3.34 1.95 | −3.50 1.24 |
| Few | −5.07 (1.46) | −4.19 (1.36) | −4.52 (1.46) | −2.39 (1.56) | −3.91 1.35 | −2.97 1.24 |
| All | −5.74 (1.40) | −5.00 (1.36) | −5.21 1.60 | −3.71 1.56 | −3.64 1.31 | −3.78 1.24 |