We evaluate the impact of competition on investments in Europe's mobile communications market during the 2011-2021 period. There are stark and sustained differences in market outcomes between three- and four-player markets in Europe, and economic theory suggests these could be partly explained...

This study evaluates the impact of competition on quality, innovation and price in Europe's mobile communications market during the 4G era (2011-18). Our results indicate that European mobile users in more concentrated markets benefitted the most from higher network quality, particularly with...

Patent settlements in the pharmaceutical industry between originator and generic firms have been scrutinized critically by competition authorities for delaying the market entry of generics and being therefore potentially anticompetitive. In this paper we present a model that analyzes the...

An astonishing 33 % of all export spells in Danish data turn out to be isolated single-month one-off export transactions. On average, for an export-active firm, one-off events generate 17 % of foreign sales. These patterns do not sit well with available trade models. To reconcile theory with the...

We investigate the trade-off between financial stability and competition policy by focusing on the merger of ABN AMRO and Fortis Bank NL in the Dutch retail banking market. The financial crisis delayed the completion of the merger giving rise to anti-competitive behavior in the transitory...

This paper studies the effects of infrastructure sharing agreements on telecommunications markets. Using a model with an investment stage where firms compete" 'a la Cournot", I find that, infrastructure sharing agreements increase investment at industry level. Indeed, the sharing of...

Assuming deterministic demand Liski and Montero (2006) show that forward trading is able to facilitate collusion. We present a more concise model incorporating the main reason for forward trading: Uncertainty. In general, fl uctuations make collusion harder to sustain (Rotemberg and Saloner,...

This papers analyses price collusion between platforms in a two-sided market model based on Armstrong (2006). In particular, it addresses Evans and Schmalensee's hypothesis of collusion being harder to sustain because of feedback effects and stronger requirements concerning agreements and...