Summary of the Papers.- 1. On the Development of Austrian Capital Theory.- 2. Relationships between Modern Austrian and Sraffa's Capital Theory.- 3. Austrians Versus Austrians I: A Subjectivist View of Interest.- 4. Austrians Versus Austrians II: Functionalist Versus Essentialist Theories of Interest.- 5. A Neo-Austrian Two-Period Multisector Model of Capital.- 6. Own Rates of Interest in a General Multisector Model of Capital.- 7. A Neo-Austrian Approach to the Open-Endedness of the Future : An Overview.- 8. Neo-Austrian Characterization of Proportional Prices with Positive Rate of Interest Relative to the Growth Rate.- 9. Roundaboutness, Nontightness and Malinvaud Prices in Multisector Models with Infinite Horizon.- 10. Competitive Finite Value Prices: A Complete Characterization.- 11. Time and Production: Period versus Continuous Analysis..- 12. Flow and Fund Approaches to Irreversible Investment Decisions.- 13. On the Methodology of Strategic Interaction in Time.- 14. A Dynamic Game with Macroeconomic Investment Decisions Under Alternative Market Structures.- 15. Remarks on a Dynamic Game with Macroeconomic Investment.- 16 A Dynamic Macroeconomic Investment Game with Non-Linear Saving Behavior.- 17. Time Irreversibilities in Economics: Some Lessons from the Natural Sciences.- List of Authors.