There is a wide literature about the behaviour of agents in a stock-market in the presence of imitation phenomena. Some issues may be treated in a game-theory context. In particular, we consider a micro-model of stock-market speculator and formalise it in a Stackelberg game. The problem consists...

In the last few decades, large retailers have become increasingly important and have radically altered the way value is created along the supply chain. Large retailers now control several phases of the production chain, through, among others, private labels and certification standards. The aim...