Competition in telecommunications is being promoted throughout the world with extensive liberalisation occurring in many countries. Past monopoly provision means that the new era of competition features large incumbent operators. The traditional lack of rivalry means that to accommodate...

The iPhone 4 was introduced into the UK market on 24th June 2010 to significant consumer interest. This clearly exceeded supply through conventional channels, since there was very extensive activity in terms of bidding on eBay auctions for the product. We monitored all eBay transactions on the...

We develop a model of retail competition and negotiations with an upstream supplier for several firms of different sizes. Contrary to existing thinking, we demonstrate that the larger a buyer the less countervailing power he possesses over the supplier. The reason for this is that a buyer's...