amount of duplication of research. An increase in the intensity of competition among firms leads to an increase in the …

This paper proposes and empirically implements a framework for analyzing industry competition and the degree of joint …

This paper develops a fairly general model of platform competition in media markets allowing viewers to use multiple … platforms. This leads to a new form of competition between platforms, in which they do not steal viewers from each other, but … competition "either or both." A central result is that platform ownership does not affect advertising levels, despite nontrivial …

Konzentration und Wettbewerb im Markt. Schwegel untersucht abschließend die kirchlichen Trägerstrukturen im deutschen …