This paper provides an empirical analysis how tariff diversity affects fixed-line broadband uptake, utilizing a new data set with 1497 fixed-line and 2158 mobile broadband tariffs from 91 countries across the globe. An instrumental variable approach is applied to estimate demand, controlling for...

This paper provides an empirical analysis how tariff diversity aspects fixed-line broad-band uptake, utilizing a new data set with 1497 fixed-line and 2158 mobile broad-band tariffs from 91 countries across the globe. An instrumental variable approach is applied to estimate demand, controlling...

Der Weg in die Gigabitgesellschaft: Wie sollen Breitbandziele in Deutschland über das Jahr 2018 hinaus konkret definiert, umgesetzt und finanziert werden? Dorothee Bär, Bundesministerium für Verkehr und digitale Infrastruktur, weist darauf hin, dass das BMVI gleich zu Beginn der aktuellen...

This is the first paper that studies the causal effect of studying economics on subjective well being. Based on a survey among 918 students of economics and other social sciences, we estimate the effects of studying in the different fields on individual life satisfaction. Controlling for...

This paper analyses the benefits of further market integration of European wholesale electricity markets. Major gains from trade are still left unrealized due to (1) uncompleted market coupling of national wholesale markets, (2) isolated national regulation of capacity and reserve mechanisms...

This paper studies competition in the German market for mobile telecommunications, motivated by recent suggestions that T-Mobile and Vodafone possess a position of collective dominance. Allegedly, their position of joint dominance is secured through a combination of first-mover advantages and...