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155 Ergebnisse, ab 11
Pressemitteilung

Mit Roaming gegen Funklöcher: Wie der Netzausbau in ländlichen Regionen gelingen kann

Studie zum Mobilfunknetzausbau in dünn besiedelten Regionen vergleicht drei Kooperationsmodelle – Weniger Kosten für Anbieter bei umfassendem Network Sharing, aber geringere Netzabdeckung – KonsumentInnen profitieren am stärksten von Roaming-Abkommen – Gebietsabsprachen zwischen Anbietern erhöhen Netzabdeckung – Behörden könnten Roaming-Abkommen ...

28.04.2021
Brown Bag Seminar Industrial Economics

What Drives Green Capabilities? Evidence from German Firm-level Data

Germany is leading in green competitiveness of its product exports. Deploying the green economic complexity methodology using German AFiD firm-level micro data, this study seeks to analyze explanatory variables for this trend such as green R&D subsidies and subnational density of related green technologies in the light of path dependencies in firms accumulation of green capabilities. It...

12.03.2021| Nils Handler, DIW Berlin
Brown Bag Seminar Industrial Economics

TBA

08.01.2021| Jonas Lieber, University of Chicago
Diskussionspapiere 1987 / 2021

Competitors’ Reactions to Big Tech Acquisitions: Evidence from Mobile Apps

Since 2010, Google, Apple, Facebook, Amazon, and Microsoft (GAFAM) have acquired more than 400 companies. Competition authorities did not scrutinize most of these transactions and blocked none. This raised concerns that GAFAM acquisitions target potential competitors yet fly under the radar of current merger control due to the features of the digital economy. We empirically study the competitive effects ...

2021| Pauline Affeldt, Reinhold Kesler
Diskussionspapiere 1965 / 2021

Estimating Demand with Multi-Homing in Two-Sided Markets

We empirically investigate the relevance of multi-homing in two-sided markets. First, we build a micro-founded structural econometric model that encompasses demand for differentiated products and allows for multi-homing on both sides of the market. We then use an original dataset on the Italian daily newspaper market that includes information on double-homing by readers to estimate readers’ and advertisers’ ...

2021| Pauline Affeldt, Elena Argentesi, Lapo Filistrucchi
DIW Wochenbericht 20 / 2021

Marktkonzentrationstrend steigt in Dienstleistungsmärkten deutlich

Studien dokumentieren weltweit steigende Marktkonzentration, Gewinne und Preisaufschläge in vielen Wirtschaftssektoren seit den 1980er Jahren. Doch die Datenanalyse nach Wirtschaftszweigen entspricht nicht den ökonomisch relevanten Märkten im Sinne des Wettbewerbsrechts. Berechnungen auf Basis eines neuartigen Datensatzes über relevante Märkte zeigen hingegen, dass die Marktkonzentration in Deutschland ...

2021| Pauline Affeldt, Tomaso Duso, Klaus Gugler, Joanna Piechucka
DIW Wochenbericht 20 / 2021

Durch Marktkonzentration erhalten Unternehmen einen größeren Teil vom Kuchen: Interview

2021| Tomaso Duso, Erich Wittenberg
Diskussionspapiere 1961 / 2021

Economic Effects of the COVID-19 Pandemic on Entrepreneurship and Small Businesses

The existential threat to small businesses, based on their crucial role in the economy, is behind the plethora of scholarly studies in 2020, the first year of the COVID-19 pandemic. Examining the 14 contributions of the special issue on the “Economic Effects of the COVID-19 Pandemic on Entrepreneurship and Small Businesses,” the paper comprises four parts: a systematic review of the literature on the ...

2021| Maksim Belitski, Christina Guenther, Alexander S. Kritikos, Roy Thurik
Externe referierte Aufsätze

Common Ownership in the U.S. Pharmaceutical Industry: A Network Analysis

We investigate patterns in common ownership networks between firms that are active in the U.S. pharmaceutical industry for the period 2004–2014. Our main findings are that “brand firms”—that is, firms that have research and development capabilities and launch new drugs—exhibit relatively dense common ownership networks with each other that further increase significantly in density over time, whereas ...

In: The Antitrust Bulletin 66 (2021), 1, S. 68–99 | Albert Banal-Estañol, Melissa Newham, Jo Seldeslachts
155 Ergebnisse, ab 11
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