Retail formats in the U.S. and other developed countries have increasingly grown to provide one-stop shopping. We develop a model of consumer economizing on shopping time that can explain this, estimate the model using aggregate annual and cross-section supermarket data, and compare the...

We analyze a market where firms compete in a conventional and an electronicretail channel. Consumers easily compare prices online, but some incur purchaseuncertainties on the online channel. We investigate the market shares of the two retailchannels and the prices that are charged. We find that...