In this paper, we propose an approach to take into account , in a robust way, part-worth uncertainty in a share-of-choice (SOC) model. More precisely, we extend the method proposed by Wang and Curry by endogenously including competition. Indeed in their approach, competition is described exogenously and the model cannot take into account part-worth uncertainty for the competition’s products. Our extension permits us to take into account all effects of part-worth uncertainty, even those relative to the competition, and therefore improve substantially Wang and Curry’s approach.
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Bradway, Meghan; Leibowitz, Kari; Garrison, Kathleen A; Howe, Lauren; Årsand, Eirik (2020). Qualitative Evaluations of mHealth Interventions: Current Gaps and Future Directions. Studies in Health Technology and Informatics, 270:1041-1045.
Hail, Luzi; Muhn, Maximilian; Oesch, David (2020). Do Risk Disclosures Matter When it Counts? Evidence from the Swiss Franc Shock. SSRN 2939935, University of Zurich.
