Research Article
Modelling the Air Ticket Purchase Behavior Incorporating Latent Class Model
Table 6
Estimation results of the latent-NL model.
| | NL | Latent-NL | S1 | S2 | S3 |
| Constants | Peak-hour flight | 3.162 | 2.134 | 3.072 | 4.671 | Normal day-time flight | 3.245 | 2.093 | 3.018 | 2.387 | Evening flight | 3.076 | 2.110 | 3.159 | 3.762 | Normal train | 1.890 | 2.272 | 0.995 | 0.265 | High-speed train | 2.764 | 1.958 | 3.012 | 2.316 | Private car | 0.561 | 0.006 | 0.821 | 0.043 | Rented car | 0.874 | 0.019 | 0.439 | 0.019 | Daytime coach | 0.145 | 0.189 | 0.062 | 0.004 |
| Environmental variables | Origin | 0.001 | 0.000 | 0.007 | 0.012 | Destination | −0.001 | 0.000 | −0.015 | −0.016 | Travel purpose | 0.032 | 0.012 | 0.019 | 0.033 | Travel distance | −0.005 | −0.004 | −0.006 | −0.002 | Generic variables | Departure time | −0.184 | −0.035 | −0.232 | −0.711 | Travel time | −1.017 | −0.569 | −0.876 | −1.284 | Delay time | −0.514 | −0.082 | −0.414 | −1.617 | Access time | −0.043 | −0.024 | −0.089 | −0.286 |
| Specific variables | Air fare | −1.015 | −1.558 | −0.992 | −0.538 | Normal train fare | −0.547 | −0.627 | −0.413 | −0.294 | High-speed train fare | −0.972 | −1.059 | −0.815 | −0.419 | Rented car fare | −0.867 | −0.966 | −0.812 | −0.421 | Private car fare | −0.708 | −0.893 | −0.782 | −0.305 | Coach fare | −0.559 | −0.789 | −0.497 | −0.207 |
| Personal feature variables | Age | −0.231 | | −0.114 | −0.275 | Occupation | 0.086 | | 0.076 | 0.085 | Position | 0.149 | | 0.186 | 0.214 | Income | 0.017 | | 0.007 | 0.013 | Frequent travel purpose | 0.159 | | 0.213 | 0.165 | Long distance frequency | −0.356 | | −0.218 | −0.492 | Purchase date for business | −0.002 | | −0.035 | −0.006 | Purchase date for leisure | −0.016 | | −0.089 | −0.027 | % | — | 41.04 | 37.89 | 21.07 | Pseudo R2 | 0.35 | 0.37 | 0.45 | 0.41 |
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Significant at the 1% level. Significant at the 5% level. Significant at the 10% level. |