22 books • 12 series
Book #28: Ökonomische Entscheidungen bei Ungewißheit
Book #1: The Impact of Eastern Europe
Book #2: The Making of Monetary Union
Book #3: Is Bigger Better?
Book #4: Making Sense of Subsidiarity
Book #6: Flexible Integration
Book #421: Volkswirtschaftliche Probleme der Deutschen Vereinigung
Book #1: The New Systems Competition