In a payment card association such as Visa, each time a consumer pays by card, the bank of the merchant (acquirer) pays an interchange fee (IF) to the bank of the cardholder (issuer) to carry out the transaction. This paper studies the determinants of socially and privately optimal IFs in a card...

Since 1995 Germany has barely managed to grow by 1.2% annually, with growth over the last four years averaging only 0.6%. In 2005, growth will again be below1%. With these low growth rates Germany has clearly fallen behind all the other European countries. The German economy is suffering from a...

The "new industrial organisation" enshrined in game theory has elaborated important concepts, models and typologies that reveal the richness of corporate conduct. To some extent, these developments have improved the quality of analyses in European antitrust policy. Three illustrations are...