We evaluate the impact on market power and efficiency of a series of mergers on three Portuguese non-life insurance markets. We specify and estimate, with a panel of firm-level data, a structural model which includes: preferences, technology, and a market equilibrium condition. Firms' demand...

The question of whether bundles of telecommunication services are relevant product markets is addressed. As a first step, demand for bundles of services, as well as the associated services, is modeled as a discrete choice problem with a potentially large number of products. A unique invoice...

Antitrust scholars have argued that exclusive contracts have anticompetitive, or at best neutral effects, if no efficiencies are generated. In contrast, this paper shows that exclusive contracts can have procompetitive effects, provided buyers are imperfect downstream competitors and contract...

Recent literature has shown that an incumbent can use exclusive contracts to maintain supra-competitive prices when buyers of the good are also competitors. Most of the models require the incumbent to completely prevent a more efficient potential entrant from entering, and assume that the...

We propose a framework to examine convergence in the jurisdictional patterns of the American FTC and the European Commission. Based on a sample of 595 merger cases scrutinized by either of these agencies in the 1995–2007 period, we estimate logit models of the probability of intervening in a...

In procurement settings, mergers among suppliers reduce buyers' choice sets and can harm buyers by eliminating their preferred supplier or reducing their negotiating leverage. I develop a stochastic economic model that predicts the effects of mergers based on information that commonly is...

This paper estimates an entry model to study the effect of exclusive dealing between Anheuser Busch and its distributors on rival brewers' entry decisions and consumer surplus. The entry model accounts for post-entry demand conditions and strategic spillover effects. I recover a brewer's fixed...

This paper examines the optimal use of remedies and the efficiency defense for merger control. We develop a framework in which merger efficiency gains are endogenously determined and are not observed by the Competition Authority. The possibility of an efficiency defense can push firms to design...

We examine the effect of Amnesty Plus on dynamic cartel formation in a multimarket setting. The Amnesty Plus program has been adopted as part of the US Corporate Leniency Policy in 1999 and is now vigorously advertised as one of the most compelling tools in generating successful cartel...

Efficiency defence and merger remedies are key components in most merger control regimes. Although in many jurisdictions both the provision of efficiency-related evidence and remedy offers are at the merging firms' discretion, most previous works have only analysed them separately. This paper is...