Sponsored search mechanisms, where advertisers bid for placement to beas close to the top in the listing of search … results, are the fastestgrowing among online search models. Sponsored search in popular searchservices such as Google and … Yahoo! employ an auction mechanism whereinfirms can bid, for a better placement in the (sponsored) search results …

assortments. Consumers facea search problem within an assortment of horizontally differentiatedproducts supplied by a monopolist …. They may search for a product matchby drawing products from the assortment or by seeking word of mouthrecommendations from …

consumer search in electronic markets. In conventional markets, consumer search costs are primarily a function of the consumer … electronic markets, consumer search costs are primarily a function of the consumer’s mental awareness of different retailers … — and this awareness is likely to be concentrated in the hands of a few retailers.Based on this model of consumer search, IT …

effort and oceanographic data. This dataset is used to test the hypothesis that intensive fishing effort increases the search …

in costly search. Individual harvesters governed by an ITQ policy still face a collective action problem which limits the … incentive to share information on stock locations. This can lead to redundant search effort. We demonstrate that both sources of …

of diversity in search models. A measure of "aggregate variability" is appropriate to such models. Values derived from … search models tend to be well behaved; they exhibit diminishing returns in diversity. In contrast, a definition of diversity … necessarily well behaved. The differences between diversity values arising in search models and those arising from more general …