Recep Yusuf Bekci, Stefanus Jasin, Joline Uichanco · 2026 · arXiv
DOI: 10.48550/arXiv.2610.28708 · open-access PDF
Large retail chains must tailor assortment and pricing decisions to local customer preferences, yet even retailers with extensive sales records often have limited data for estimating demand at the store or local market level, particularly in product categories with short selling windows. Local estimation (fitting a demand model for each store on its own) can therefore be unreliable, while pooling data across stores improves estimation precision at the cost of ignoring local demand heterogeneity. We study how retailers can balance these competing effects through transfer learning under a multin
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