Drawbacks 1.We use only one particular OTA - these effects may not translate to the entire population 1.1Not all airlines may be sold through this OTA (example: Southwest) 1.2Customer behavior maybe different across channels (but barring corporates, why?) 2.Currently, we do not account for seasonally which may change customer behavior (feature?) 3.Airline characteristics' aggregates are done by airline: this may be reasonable for airlines with a consistent hard/soft-product across the fleet, but not true for others 4.Intra-day fare changes are not taken into account 5.While traditionally a black box model, recent developments have made it possible to understand the output of gradient boosting models
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