Appendix B: Results
This appendix presents detailed findings from the analyses described in Appendix A. Table B1 presents descriptive statistics from each of the occupation-state comparisons.
Table B1: Descriptive Statistics of Yelp Ratings for Each Occupation-State Comparison
| Lower Burden/Unlicensed | Higher Burden/Licensed | |||||
| Occupation | State | Mean Rating | Standard Deviation of Rating | State | Mean Rating | Standard Deviation of Rating |
| Barber | NJ | 4.0 | 1.1 | PA | 4.1 | 1.0 |
| Cosmetologist | NY | 4.2 | 0.6 | CT | 3.9 | 0.8 |
| Cosmetologist | NY | 4.2 | 0.6 | NJ | 4.0 | 0.7 |
| Interior Designer | CA | 3.7 | 1.4 | NV | 4.5 | 1.0 |
| Locksmith | PA | 4.1 | 1.3 | NJ | 3.7 | 1.5 |
| Manicurist | CT | 3.5 | 0.8 | MA | 3.5 | 0.8 |
| Manicurist | CT | 3.4 | 0.7 | NY | 3.3 | 0.8 |
| Tree Trimmer | NV | 4.2 | 1.2 | CA | 4.3 | 1.2 |
| Tree Trimmer | VA | 4.1 | 1.2 | MD | 3.8 | 1.4 |
Table B2 provides regression results for each of the occupation-state comparisons. Nearest-neighbor robust standard errors are used throughout.
Table B2: Regression Results
| Occupation | Coefficient | SE |
|---|---|---|
| Barber | 0.07 | 0.22 |
| Cosmetologist – NY and CT | -0.53* | 0.14 |
| Cosmetologist – NY and NJ | -0.22* | 0.05 |
| Interior Designer | -1.36 | 3.89 |
| Locksmith | -0.36 | 0.33 |
| Manicurist – CT and MA | -0.20 | 0.32 |
| Manicurist – CT and NY | -0.17 | 0.21 |
| Tree Trimmer – NV and CA | 0.32 | 1.15 |
| Tree Trimmer – VA and MD | -0.96 | 0.63 |