Search theory has been extensively and successfully applied to explain the persistence of price dispersion. This paper presents an explicitly dynamic search model that is able to account for cyclical patterns of prices and demand over time. These cyclical features of the model are the...

This paper investigates the interaction between bidding for procurementprograms and fractional buys. This problem is analyzed from the standpoint of a cost-minimizing procuring agent. It is shown that underimperfect competition, a multiple-source purchase is generally preferred to a...