Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/236709 
Year of Publication: 
2021
Series/Report no.: 
CESifo Working Paper No. 9167
Publisher: 
Center for Economic Studies and Ifo Institute (CESifo), Munich
Abstract: 
The literature offers two foundations for competitive search equilibrium, a Nash approach and a market-maker approach. When each buyer visits only one seller (or each worker makes only one job application), the two approaches are equivalent. However, when each buyer visits multiple sellers, this equivalence can break down. Our paper analyzes competitive search equilibrium with simultaneous search using the two approaches. We consider four cases defined by (i) the surplus structure (are the goods substitutes or complements?) and (ii) the mechanism space (do sellers post fees or prices?). With fees, the two approaches yield the same constrained efficient equilib-rium. With prices, the equilibrium allocation is the same using both approaches if the goods are complements, but is not constrained efficient. In the case in which only prices are posted and the goods are substitutes, the equilibrium allocations from the two approaches are different.
Subjects: 
multiple applications
competitive search
market makers
efficiency
JEL: 
C78
D44
D83
Document Type: 
Working Paper
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