This paper takes a welfare-view on eastern enlargement of the EU, focusing on incumbent countries. Enlargement is decomposed into three elements: Single-market integration on commodity markets, budgetary costs from EU-expenditure policies, and single-market-induced migration from new to present...

Ausgangspunkt dieser Arbeit ist die Behauptung, dass der migrationspolitische Diskurs zu wenig auf die internationale Integration von Gütermärkten Bedacht nimmt. Die Debatte wird weitgehend arbeitsmarktökonomisch geführt, wobei der sogenannte "immigration surplus" für das Zuwanderungsland...

We argue that the narrative of variety-induced gains from trade in differentiated goods needs revision. If producing differentiated varieties of a good requires differentiated skills and if the work force is heterogeneous in these skills, then firms are likely to have monopsony power. We show...