We provide a simple theoretical model to explain the mechanism whereby privatization of international airports can improve welfare. The model consists of a downstream (airline) duopoly with two inputs landings at two airports) and two types of consumers. The airline companies compete...

This paper analyzes the situation in which a national government introduces environmental regulations. Within the framework of an international duopoly with environmental regulations, this paper shows that an environmental tax imposed by the government in the home country can induce a foreign...

This paper studies how different unionisation structures affect firm productivity, firm performance, and consumer welfare in a monopolistic competition model with heterogeneous firms and free entry. While centralised bargaining induces tougher selection among hetero- geneous producers and thus...

Das Metaverse ist die nächste Stufe des Internets, das virtuelle 3D-Umgebungen schafft, in denen virtuelle Erlebnisse mithilfe von erweiterten Realität durchgeführt werden können. Es geht nicht nur um Headsets und virtuelle Spiele, sondern auch um die zunehmende Verbindung des Metaverses mit...

This paper uses highly detailed, quarterly data for five major industrialized economies to estimate the impact of macroeconomic fluctuations on import protection policies over 1988:Q1 - 2010:Q4. First, estimates on a pre-Great Recession sample of data provide evidence of two key relationships....