Appendix Table A9:
Test of the parallel trends assumption in the fraction of NYS smokers who usually smoke premium cigarettes
| NYS-ATS | NHP-Full | |
|---|---|---|
| Wave | 0.0016 | −0.0011 |
| (0.0012) | (0.0010) | |
| Treat | 0.0758* | −0.1229 |
| (0.0420) | (0.6688) | |
| Treat * Wave | −0.0018 | 0.0001 |
| (0.0013) | (0.0011) | |
| Cigarette Tax | −0.0072 | 0.0056 |
| (0.0120) | (0.0158) | |
|
| ||
| R 2 | 0.1487 | 0.2122 |
| Dependent Mean | 0.7010 | 0.6363 |
| Number of Households | --- | 1,049 |
| Observations | 4,260 | 11,537 |
Notes: All models also contain flexible controls race, gender, education, income, as well as region fixed effects. Standard errors appear in parenthesis; they are clustered at the county level in the NYS-ATS data and at the zip code level in the NHP data.
***
p<0.01,
**
p<0.05,
*
p<0.1