Differentiation is arguably the most important business strategy, but optimal investment in differentiation requires understanding the magnitudes of its implications. We consider the extent and dimensions of differentiation in omnichannel grocery by examining the impacts of entry events on...

Households incur transaction costs when choosing among offline stores for grocery purchases. They may incur additional transaction costs when buying groceries online versus offline. We integrate the various transaction costs into a channel choice framework and empirically quantify the relative...

Households have decreased their grocery shopping frequency from once every 4.7 days in 1998 to once every 6.3 days in 2009. To understand this change, an optimal control model is developed of a utility maximizing household that chooses when to shop, how much to purchase, and their piece wise...