Dr. Norbert Trautmann is a full professor of quantitative methods at the Department of Business Administration, University of Bern, Switzerland.Dr. Mario Gnägi is a postdoctoral researcher of quantitative methods at the Department of Business Administration, University of Bern, Switzerland.

• Operations Management in the Sharing Economy: An Integrated Perspective of Item-sharing and Crowdshipping.- The Student-Project Allocation Problem as Part of Timetabling in Project-Oriented Schools.- Multi-start Heuristics for Unit-Capacity Orienteering Problems.- Scheduling a two stage proportionate flexible flow shop with dedicated machines and no buffers.- Combining Causal Loop Diagrams, Behavior-Over-Time Graphs, and Narratives to Structure and Explore Complex Decision-Making Situations.

Dr. Norbert Trautmann is a full professor of quantitative methods at the Department of Business Administration, University of Bern, Switzerland.Dr. Mario Gnägi is a postdoctoral researcher of quantitative methods at the Department of Business Administration, University of Bern, Switzerland.

• Operations Management in the Sharing Economy: An Integrated Perspective of Item-sharing and Crowdshipping.- The Student-Project Allocation Problem as Part of Timetabling in Project-Oriented Schools.- Multi-start Heuristics for Unit-Capacity Orienteering Problems.- Scheduling a two stage proportionate flexible flow shop with dedicated machines and no buffers.- Combining Causal Loop Diagrams, Behavior-Over-Time Graphs, and Narratives to Structure and Explore Complex Decision-Making Situations.

Dr. Norbert Trautmann is a full professor of quantitative methods at the Department of Business Administration, University of Bern, Switzerland.Dr. Mario Gnägi is a postdoctoral researcher of quantitative methods at the Department of Business Administration, University of Bern, Switzerland.

• Operations Management in the Sharing Economy: An Integrated Perspective of Item-sharing and Crowdshipping.- The Student-Project Allocation Problem as Part of Timetabling in Project-Oriented Schools.- Multi-start Heuristics for Unit-Capacity Orienteering Problems.- Scheduling a two stage proportionate flexible flow shop with dedicated machines and no buffers.- Combining Causal Loop Diagrams, Behavior-Over-Time Graphs, and Narratives to Structure and Explore Complex Decision-Making Situations.