A. Klose: Research and Applied Projects at Paul Stähly’s Institute for Operations Research.- Optimization: G. Feichtinger: Environmental Policy Design and the Economics of Crime: Some Analogies in Intertemporal Optimization.- P. Wentges: On Cross Decomposition for Mixed-Integer Programming.- L. Bertazzi, D.P. Bertsekas, M.G. Speranza: Optimal and Neuro-Dynamic Programming Solutions for a Stochastic Inventory Transportation Problem.- U. Tüshaus: Modeling Approaches for Median Relations.- M. Luptacik: A Note on the ’More-for-Less’ Paradox.- T. Kämpke, F.J. Radermacher: Project Experiences and Some Principal Considerations Concerning Operations Research as an Interesting Branch of Science.- Operations Research Models: J.R. Mühlbacher: Concepts, Aims, and Problems which Modelling in OR and OOP have in Common.- B. Fleischmann: On the Use and Misuse of Holding Cost Models.- R. Dillmann: From the Publisher to the Wholesalers - Determination of the Number of Copies and Their Distribution among the Wholesalers.- R.H. Möhring, M. Uetz: Scheduling Scarce Resources in Chemical Engineering.- K. Neumann, C. Schwindt, N. Trautmann: Short-Term Planning of Batch Plants in Process Industries.- G. Wäscher, J. Heuer, V. Reschke, P. Schwerin: Local Search for a Travelling Salesman - Problem in Production Control: A Case Study.- R.E. Burkard: Transportation Problems.- G. Zäpfel, M. Wasner: Operational Planning and Optimization of Hub- and Spoke Transportation Networks for Area Wide Groupage Services.- P. Kall: Stochastic Programming: Achievements and Open Problems.- Decision Support and Management Systems: N. Marocac: Infrastructure for CRISIS-2000 - A Distributed Disaster Management System.- D. Eherler, P. Kischka: Decision Making Based on Causal Graphs.- M.K.P. Jung, U.Leopold-Wildburger: On the Effect of the Bargaining Context on Bargaining Behaviour.- W. Eichhorn, H. Funke, W. Gleissner: Income Tax Rate: Properties and Implications.- D. Sollte: Knowledge Management - Challenges and the ’KNOWING’ - Implementation Strategy.- K. Allemand, T.M. Liebling: Perturbation Heuristics for Unconstrained Quadratic 0-1 Programming and an Alternate Stopping and Comparison Criterium.- U. Leopold-Wildburger, J.H. Schütze, A. Lafer, M. Glawischnig, M.K.P. Jung: Solving Conflicts and Sanctions: Results of an Experimental Study.