The book presents the results of the joint annual conferenceof the four Operations Research Societies DGOR, GM\OR, \GORand SVOR, held in Vienna in 1990. The main goal was topresent practical experiences as well as theoreticalresults. Both aspects are covered in a balanced way. Papers cover topics from the fields Optimization, StochasticModells, Decision Theory and Multicriteria Decision Making, Control Theory, Mathematical Economics, Game Theory, Macroeconomics, Econometrics and Statistics, Supercomputingand Simulation, Non-linear Systems, Artificial Intelligenceand Expert Systems, Fuzzy Sets and Systems, Production, Logistics, Inventory and Marketing among others. | DGOR by Wolfgang Bühler, Paperback | Indigo Chapters