Internet auctions on eBay and Yahoo allow sellers to list their auctions with a Buy-Now option. In such auctions the seller sets a buy price at which a bidder may purchase the item immediately and end the auction. In the eBay version of a buy-now auction, the buy-now option disappears as soon as...

We consider the issue of first versus second mover advantage in differentiated-product Bertrand duopoly with asymmetric linear costs. We provide a generalization of some well-known results in the cases where prices are strategic substitutes or complements, dispensing with extraneous assumptions...

In the framework of symmetric Cournot oligopoly, this paper provides two minimal sets of assumptions on the demand and cost functions that imply respectively that, as the number of firms increases, the minimal and maximal equilibria lead to (i) decreasing industry price and increasing or...