Die deutsche Volkswirtschaft ist seit 1990 durch den Fall des Eisernen Vorhangs, den Beitritt von 16 neuen Mitgliedern in die EU, den Aufstieg und WTO-Beitritt Chinas, die Einführung des Euro, die Schaffung des Schengen-Raums und den Abschluss verschiedener Freihandelsabkommen der EU mit...

Vor 200 Jahren hat einer der Gründungsväter der modernen Volkswirtschaftslehre, David Ricardo, in seinem Buch Principles of Political Economy and Taxation die Theorie der komparativen Vorteile vorgestellt. Vom Abbau von Handelsbarrieren profitieren alle Länder, sogar die, die im Vergleich zu...

Trade economists traditionally study the effect of lower variable trade costs. While increasingly important politically, technical barriers to trade (TBTs) have received less attention. Viewing TBTs as fixed regulatory costs related to the entry into export markets, we use a model with...

In the two-country Melitz (2003) model, unilateral trade liberalization is often cast as a reduction of iceberg transportation costs and wages are determined by a linear outside sector. We show that welfare results reverse when wages adjust and trade frictions are revenue-generating tariffs. --...

Increasing-returns-to-scale imperfect competition trade models predict a more than proportionate relationship between the larger country's share in world endowments and its share in producing firms: the so called home market effect (HME). While this result plays a key role in empirical testing,...

Arkolakis, Costinot and Rodriguez-Clare (ACR, 2012) prove that, conditional on the change in openness, the welfare gains from foreign trade reforms are quantitatively identical across single-sector trade models with radically different micro-foundations. We generalize this result to domestic and...