This paper examines competition in a liberalized market, with reference to some key features of the natural gas industry. Each firm has a low (zero) marginal cost core capacity, due to long term contracts with take or pay obligations, and additional capacity at higher marginal costs. The market...

In this paper we review the recent liberalization process in energy markets promoted by the European Commission in the late Nineties and implemented in all the member countries. The electricity and gas industries are characterized by a predominant role of network infrastructures, and by upstream...

We study the interaction between a ?rm that invests in research and, if successful, undertakes a practice to exploit the innovation, and an enforcer that sets legal standards, ?nes and accuracy. In innovative industries deterrence on actions interacts with deterrence on research. A per-se...

A dominant firm undertakes a given business practice that is regulated by an antitrust enforcer by the choice of a legal standard, fines and accuracy. In traditional industries the incumbent and technology are already established, while in innovative industries the successful innovator becomes...

We analyze the relation between the intensity of electoral competition and the dissipation of political rents. In a model with perfectly informed and heterogeneous voters, two candidates commit to electoral platforms under a majority voting and winner-takes-all rule. If the proposed tax revenues...

When a firing litigation is taken to court, only the characteristics of the employee's misconduct should be relevant for the judge's decision. Using data from an Italian bank this paper shows that, instead, local labor market conditions influence the court's decision: the same misconduct episode...

The broadcasting industry is still very concentrated all over the world, after 15 years in which new technologies and public policies allowed to overcome the constraint of limited availability of frequencies on the radio spectrum. We argue that the monopolistic competition set up, traditionally...

We analyze optimal policy design when firms' research activity may lead to socially harmful innovations. Public intervention, affecting the expected pro?tability of innovation, may both thwart the incentives to undertake research (average deterrence) and guide the use to which innovation is put...

We analyze the effect of judicial errors on the innovative activity of firms. If successful, the innovative effort allows to take new actions that may be ex-post welfare enhancing (legal) or decreasing (illegal). Deterrence in this setting works by affecting the incentives to invest in...

This paper analyses the sources of buyer power and its effect on sellers' investment. We show that a retailer extracts a larger surplus from the negotiation with an upstream manufacturer the more it is essential to the creation of total surplus. In turn, this depends on the rivalry between...