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Concentration and competition : evidence from Europe and implications for policy

Koltay, Gábor; Lorincz, Szabolcs; Valletti, Tommaso M. - 2022

The paper provides new evidence on proxy indicators of market power for major European countries. The data shows moderately increasing average industry concentration over the last two decades, a considerably increasing proportion of high concentration industries, and an overall tendency towards...

Persistent link: https://www.econbiz.de/10013166348

Evaluating market consolidation in mobile communications

Genakos, Christos; Valletti, Tommaso M.; Verboven, Frank - 2017

We study the dual relationship between market structure and prices and between market structure and investment in mobile telecommunications. Using a uniquely constructed panel of mobile operators’ prices and accounting information across 33 OECD countries between 2002 and 2014, we document...

Persistent link: https://www.econbiz.de/10011659539

How broadband Internet affects labor market matching

Bhuller, Manudeep; Kostøl, Andreas Ravndal; Vigtel, … - 2019 - This version: December 19, 2019

How the internet affects job matching is not well understood due to a lack of data on job vacancies and quasi-experimental variation in internet use. This paper helps fill this gap using plausibly exogenous roll-out of broadband infrastructure in Norway, and comprehensive data on recruiters,...

Persistent link: https://www.econbiz.de/10012156373

A simple model of mergers and innovation

Federico, Giulio; Langus, Gregor; Valletti, Tommaso M. - 2017

their innovation efforts post-merger while the outsiders to the merger respond by increasing their effort. A merger tends to … reduce overall innovation. Consumers are always worse off after a merger. Our model calls into question the applicability of … the "inverted-U" relationship between innovation and competition to a merger setting. …

Persistent link: https://www.econbiz.de/10011669398