Using weekly spot and future commodity prices in Chicago and New York, we construct expected transportation rates for grain between these two cities, expected inventory levels in New York, and realized errors in the expectations of such variables. We incorporate these exogenous commodity market...

Consumers' choice set of products within stores can be limited. Ackerberg and Rysman (2005) address this problem by modeling unobserved consumer preferences over products and retail stores, leading to augmented demand specifications. Having Carbonated Soft Drink product level data, where we...