| Model I | Model II | Model III | Model III’ | |||||
|---|---|---|---|---|---|---|---|---|
| Coefficient | Marginal Effect | Coefficient | Marginal Effect | Coefficient | Marginal Effect | Coefficient | Marginal Effect | |
| Token | 0.044 (0.212) | 0.006 (0.031) | 0.021 (0.235) | 0.003 (0.030) | 0.248 (0.295) | 0.035 (0.042) | 0.273 (0.229) | 0.039 (0.032) |
| storeA | 1.031*** (0.335) | 0.148*** (0.048) | 1.243*** (0.376) | 0.160*** (0.048) | 1.001*** (0.340) | 0.143*** (0.049) | 1.021*** (0.334) | 0.147*** (0.048) |
| Token*StoreA | –0.747*** (0.258) | –0.114*** (0.041) | –0.915*** (0.279) | –0.128*** (0.042) | –0.788*** (0.260) | –0.115*** (0.043) | –0.795*** (0.259) | –0.115*** (0.058) |
| Total items | 1.516*** (0.052) | 0.218*** (0.004) | 1.521*** (0.053) | 0.218*** (0.004) | 1.517*** (0.053) | 0.218*** (0.004) | ||
| Small items | 1.310*** (0.055) | 0.169*** (0.005) | ||||||
| Medium items | 2.054*** (0.076) | 0.265*** (0.006) | ||||||
| Large items | 2.969*** (0.146) | 0.383*** (0.015) | ||||||
| Evening | 0.281*** (0.106) | 0.040*** (0.015) | 0.275** (0.113) | 0.036** (0.015) | 0.325*** (0.111) | 0.047*** (0.016) | 0.280*** (0.108) | 0.040*** (0.015) |
| Weekday | –0.359* (0.184) | –0.052* (0.026) | –0.178 (0.192) | –0.023 (0.025) | –0.415** (0.189) | –0.059** (0.027) | –0.346* (0.185) | –0.050* (0.026) |
| Preceding customer | 0.184** (0.073) | 0.026** (0.011) | 0.165** (0.077) | 0.021** (0.010) | 0.166** (0.074) | 0.024** (0.011) | 0.174** (0.073) | 0.025** (0.011) |
| Female | 0.174*** (0.066) | 0.025*** (0.009) | 0.127* (0.070) | 0.016* (0.009) | 0.176*** (0.066) | 0.025*** (0.009) | 0.172*** (0.066) | 0.025*** (0.009) |
| Constant | –4.960*** (0.402) | –5.316*** (0.445) | –5.023*** (0.421) | –4.986 (0.406) | ||||
| Middle | –0.393*** (0.128) | –0.056*** (0.018) | ||||||
| Token*Middle | –0.257** (0.128) | –0.037** (0.018) | ||||||
| Token*End | ||||||||
| Observer FE | Yes | Yes | Yes | Yes | ||||
| Cashier FE | Yes | Yes | Yes | Yes | ||||
| Week FE | No | No | Yes | No | ||||
| Pseudo R–squared | 0.329 | 0.388 | 0.331 | 0.330 | ||||