Apart from reducing buyer search costs, web-based commerce has also enabled the use ofintelligent agent technologies that reduce seller search costs by targeting buyers, customizing,and pricing products in real-time. Our model of an electronic market with customizable productsanalyzes the...

Product information websites have become ubiquitous in supporting B2C E-Commerce. This paper explores their impact on firm profitability, consumer surplus, and social welfare. Using an analytical model, we show that firms take advantage of such infomediaries and reduce their own information...