Walter Isard

• Regional input-output study
• Location and space-economy
• Conflict analysis and practical conflict management procedures
• General theory: social, political, economic, and regional
• Methods of interregional and regional analysis
• Spatial dynamics and optimal space-time development
• Arms races, arms control, and conflict analysis
• Commonalities in Art, Science and Religion
• Ecologic-economic analysis for regional development
• Ecological Economic Analysis for Regional Development
• General Theory
• History of Regional Science and the Regional Science Association International