Amid the technologies which have caught the attention of business in recent times, the website has been one of the most discussed and debated. In light of the recent dotcom bust, many critics are arguing that websites are less valuable in commercial environments than first thought. eBay however...

A marketplace such as Amazon hosts a variety of products by third party sellers and acts as a first party or private label retailer. Assuming an advantage of Amazon in logistics and of sellers in marketing, we investigate whether entry by Amazon is excessive from the point of view of consumers...