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Discussion Paper

Price Search Across Stores and Across Time

In response to price dispersion across stores and price promotions over time, consumers search across both stores (spatial) and time (temporal), in many retail settings. Yet there is no search model in extant research that jointly endogenizes search in both dimensions. We develop a model of spatiotemporal search that nests a finite horizon model of spatial search across stores within an infinite horizon model of inter-temporal search.