We put forward a brand choice model with unobserved heterogeneity that concerns responsiveness to marketing efforts. We … choice models that account for various forms of heterogeneity for three different datasets, we find better face validity for …

effects and (ii) unobserved worker heterogeneity in terms of the inherent cost of maintaining connections within a productive … informal network. The model predicts that a greater degree of unobserved heterogeneity tilts the estimates toward producing a … contact methods and wage offers requires a careful assessment of the unobserved heterogeneity and peer influences in the …