... 18:00-19:00.Working Group on Physics of Socio-economic Systems (AGSOE) OverviewWorking Group on Physics of Socio-economic Systems Arbeitskreis Physik sozio-¨okonomischer Systeme (AGSOE)Prof. Dr. Dirk HelbingETH, ... Holyst — Faculty of Physics, Center of Excellence for Complex Systems Research, WarsawUniversity of Technology, Koszykowa 75, PL-00-662 Warsaw, PolandWe present a simple model of firm rating evolution ... Makse1—1Levich Institute and Physics Department, City Col lege of New York, New York, NY 10031,USA —2Department of Physics, Yeshiva University, New York, NY10033, USA —3Department of Physics, Bar-Ilan...