Summary The welfare calculus of migration of the recipient country is tackled at the level of macro- and of microeconomics, using the technical apparatus of the welfare economics of international trade. It turns out that - as opposed to the international-trade case - in order to exploit positive...

Abstract The German system of unemployment insurance has failed to prevent the rise of unemployment over the past decades. The authors suggest replacing the existing federal unemployment insurance by a dual-system model of private unemployment insurance that includes incentives on the side of...

Abstract It is analysed whether the EU’s Eastern Enlargement has been an obstacle to further European integration. Does the Enlargement provoke protectionist policies in core member countries, such as Germany? The paper deals with the institutional settings pertaining to labour supply and...

The paper presents an analysis of invention performance, as measured by patenting activities, of six countries (France, Italy, Japan, United Kingdom, USSR, West Germany) relative to the United States for 41 SIC industries over the past 20 years. It turns out that non-U.S. countries as a group...

Das Problem -- Eine private Arbeitslosenversicherung für Deutschland -- Alternative Systeme der Arbeitslosenversicherung: Erfahrungen und Vorschläge -- Zur Empirie des Trennsystems -- Schlussbetrachtungen.