In January 2005, the German Supreme Court permitted the state governments to charge tuition fees. By exploiting the natural experiment, we examine how government ideology influenced tuition fee policy. The results show that right-wing governments were active in introducing tuition fees. By...

The Annual Congress of the German Economic Association has become one of the largest national meetings of professional economists. The papers contributed at the Congress undergo a rigorous and competitive selection procedure where only about one half of all submissions are accepted for...

We set up a simple two-country model of tax competition where firms with different productivity decide in which location to produce and sell output. In this model, a unique, asymmetric Nash equilibrium is shown to exist, provided that countries are sufficiently different with respect to their...

This paper investigates the macroeconomic and welfare effects of an anticipated future switch from destination- to origin-based commodity taxation. We set up an intertemporal representative-agent model of an open economy and study especially consumption, investment, and trade-balance responses...

We evaluate the incentives for strategic commodity tax-setting under destination and origin regimes when competition is imperfect and commodity taxes must be used to finance the government budget. Different cases of international duopoly are compared, where firms compete over quantities or...

We use a simple framework where firms in two countries serve their respective domestic markets and a world market to analyse under which conditions cost-reducing mergers will be beneficial for the merging firms, the home country, and the world as a whole. For a national merger, the policies...

Am 11. und 12. Juni 2013 hat das Bundesverfassungsgericht Experten zur Krisenpolitik der EZB angehört. Dabei ging es um die Frage, ob oder inwieweit die EZB durch das Outright-Monetary-Transactions-Programm (OMT) Kompetenzen beansprucht, die ihr nicht übertragen worden sind. Wir...

In der Fachstudie wurden verschiedene XML-Datenbanken verglichen. Dabei wurden sowohl native als auch \"XML-enabled\" Datenbanken betrachtet. Um einen objektiven Vergleich zu erreichen wurden verschiedene Kriterien ausgearbeitet und geprüft inwiefern diese von den getesteten Datenbanken...