Product variety in local grocery stores: Differential effects on stock‐keeping unit level sales

We empirically examine the effect of product variety on sales at the stock‐keeping unit (SKU) level. Prior empirical operations management studies generally treat product variety as a single‐dimensional measure (e.g., the number of SKUs carried by the store, distribution center, or firm) and study its impact on aggregate sales (e.g., sales at the store, distribution center, or firm). As such, SKUs from different brands are assumed to contribute...