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...

In this paper we review some recent work on public intervention in economic environments where ?firms undertake investments in research or in physical assets, and then choose appropriate business practices to extract pro?ts from the outcomes of the investment process. Public policies may take...

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...

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 study the enforcement of competition policy against collusion under Leniency Programs, which give reduced fines to firms revealing information to the Antitrust Authority. Such programs give firms an incentive to break collusion, but may also have a pro-collusive effect, since they decrease...

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 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...