The Stahl model is one of the most applied consumer search models, with many applications and an empirical background. The present paper explores an extension where sellers have asymmetries, which is mostly excluded by the literature. Sellers with heterogeneous numbers of stores are introduced,...

Recent theories suggest that consumers' search efforts are a function of prices and prices changes, respectively. This may help to explain the 'rockets and feathers' phenomenon often assigned to collusion – prices rise like rockets when costs increase and fall like feathers when costs...

Based on rich administrative data from Germany, we address the differences in occupation specific job-matching processes where an occupation consists of jobs that share extensive commonalities in their required skills and tasks. These differences can be explained by the degree of standardization...