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Seminario ISCI OM&A “Prior Information and Consumer Search: Evidence from Eye-tracking Optimization”


Seminario ISCI OM&A: Prior Information and Consumer Search: Evidence from Eye-tracking Optimization
PresentaTulin Erdem
Fecha: Viernes 5 de abril 2024
Horario: 13:30 – 14:30 hrs
Lugar: Beauchef 851, Sala de Consejo. Piso 4
Inscripciones en: Seminario ISCI OM&A  
Organiza: Instituto Sistemas Complejos de Ingeniería (ISCI)



Do consumers search the brands they know more or less frequently than the brands they are unfamiliar with? In this paper, we attempt to answer this question using data from an experiment with two novel features: (i) survey information on consumers’ prior brand ownership, familiarity with each brand, and prior experience using different product features; and (i) eye-tracking data capturing search behavior at a very granular level. We find consumers are generally more likely to search and buy brands they own and are familiar with, highlighting the importance of accounting for prior information. For this reason, we develop a search model in which both the information obtained during the search process and the information possessed by consumers prior to search are allowed to influence search and purchase decisions. Our model contributes to prior work by modeling search at the brand and attribute level within a Bayesian learning framework. Using this model, we then quantify the impact of prior information on consumer choices, as well as document the estimation bias arising when prior information is absent from the model. Finally, through a series of counterfactuals, we
explore the managerial value of prior information data.