There is a substantial number of cases where the a priori relationshipbetween products is not at all clear in the sense that although apparentto be clear substitutes may turn out to be in fact complements, orvice-versa. This paper aims to study the relationship between fixed andmobile telephony...

The Market in Financial Instruments Directive (MiFID) aims to increasecompetition and to foster client protection in the European financialmarket. Among other provisions, it abolishes the concentration rule andchallenges the market ower of existing trading venues. The directiveintroduces venue...

The concept of diminishing marginal utility is a cornerstone of economic theory. The consumption of a good typically creates satiation that diminishes the marginal utility of consuming more. Temporal satiation induces consumers to increase their stimulation level by seeking variety and therefore...