This paper presents results from a calibrated welfare model of the UK mobile telephony market which includes many mobile networks; calls to and from the fixed network; networkbased price discrimination; and call externalities. The analysis focuses on the short-run effects of adopting lower...

We develop a model in which two profit maximizing exchanges compete for IPO listings. They choose the listing fees paid by firms wishing to go public and control the trading costs incurred by investors. All firms prefer lower costs, however firms differ in how they value a decrease in trading...

In many markets governments set minimum quality standards while some sellers choose to compete on the basis of quality by exceeding them. Such ‘high-quality’ strategies often win public acclaim, especially when ‘environmental friendliness’ is the dimension along which firms are...

This paper shows that an advertising ban is more likely to increase – rather than decrease – total consumption when advertising does not bring about a large expansion of market demand at given prices and when it increases product differentiation (thus allowing firms to command higher...

The aim of this Paper is to evaluate simultaneously market power and the incentives faced by carriers to improve efficiency, taking into account the regulatory changes that have affected the European airline industry. We construct and estimate a model that includes demand, capacity, and cost...