Der vorliegende Beitrag ermittelt das aktuelle Ausmaß kommunaler Betätigung in der Abfallwirtschaft auf Basis von 9.248 deutschen Gemeinden und Städten. Vor allem in Großstädten mit über 100.000 Einwohnern haben Kommunen fast vollständig die Restmüllsammlung übernommen. Insgesamt wird...

Katz (1987), DeGraba (1990), and Yoshida (2000) have formulated theories that price discrimination bans in intermediary goods markets tend to have positive effects on allocative, dynamic and productive efficiency, respectively. We show that none of these results is robust vis-à-vis endogenous...

We re-examine the view that a ban on price discrimination in input markets is particularly desirable in the presence of buyer power. This argument crucially depends on an inverse relationship between downstream firms' profits and the uniform input price. Assuming different input efficiencies...

Katz (1987), DeGraba (1990), and Yoshida (2000) have formulated theories that price discrimination bans in intermediary goods markets tend to have positive effects on allocative, dynamic and productive efficiency, respectively. We show that none of these results is robust vis-à-vis endogenous...

[Introduction:] The route to customers is becoming increasingly digital, for any business. There is hardly any business that is not focussing on reaching customers online. The Covid-19 pandemic has further accelerated this trend. In many markets, digital platforms have become essential tools for...

We re-examine the view that a ban on price discrimination in input markets is particularly desirable in the presence of buyer power. This argument crucially depends on an inverse relationship between downstream firms' profits and the uniform input price. Assuming different input efficiencies...

Der vorliegende Beitrag ermittelt das aktuelle Ausmaß kommunaler Betätigung in der Abfallwirtschaft auf Basis von 9.248 deutschen Gemeinden und Städten. Vor allem in Großstädten mit über 100.000 Einwohnern haben Kommunen fast vollständig die Restmüllsammlung übernommen. Insgesamt wird...