Supply Chain Game: Economic Analysis on Differentiated Competition

Theories and methods of supply chain game are exploratory and advanced topics. Differentiated competition is the key element of the game. Based on classic economic models, the game participants are extended from two to multiplicity. Studies show that supply chain games all get 0 profits with no differences. Analysis on differentiation suggests Hotelling Model arisen from horizontal differentiation can break 0 profits and solve the mystery of Bertrand Paradox. So does the vertical differentiation. They can all bring excessive profit.