study addresses the question whether the emergence of broadband internet influences economic and social development. The … results indicate that broadband internet indeed positively affects a number of economically and socially meaningful variables …. To address concerns a reverse causality and omitted variables and to identify causal effects of broadband internet …

Innovative gesundheitsförderliche Lebensmittel, sogenannte Functional Food, haben in den letzten Jahren in Deutschland … Zeitraum 1995 bis 1999 empirisch der Einfluss der Marktstruktur auf die allgemeine Innovationsaktivität sowie speziell jene im … nutrition, have become increasingly important in Germany. Using the structure-conduct-performance approach this study examines …

Wirkungen auf die Marktstruktur. Sie reduzieren nicht einfach die Zahl der Wettbewerber in einem Markt, sondern durch Fusionen …

Does the internet increase competition? To address this question, I exploit two institutional details unique to Germany …

The internet is often anticipated to have disruptive competitive impacts, causing upstart firms to overthrow incumbent … internet might already be occurring. Comparable possible impacts of the introduction of personal computers are also considered … period of three decades suggest that the internet did not have such a radical effect on market structure by the year 2000. …