Investigating factors that influence passengers' shopping intentions at airports – Evidence from Taiwan

•Passengers' purchases at airports are also driven by pre-planned intentions.•Airport commercial space highly affects passengers' shopping intentions.•Personal characters and travel experiences determine various shopping tendencies.

This study examines the influence of passengers' socio-demographic characteristics, trip characteristics and perceptions of airport shopping on their shopping intentions at airports. We collected a sample of passenger survey data at two major international airports in Taiwan. Two primary shopping intentions, namely pre-planned shopping and impulse shopping, are identified based on the results of factor analysis. A seemingly unrelated regressions (SUR) model is then adopted to measure the relationships between the two buying tendencies and potential determinants. Passengers' perceptions of airport shopping show positive impacts on their shopping intentions. The SUR results also reveal significant differences among the personal profiles of passengers in determining various shopping tendencies.