Competition between hopping centres, which may take the form of supermarkets (or hypermarkets), shopping malls or high streets, is emplored in a model in which the consumers' choice of centre is determined by the utility available from visiting different centres, based on the range of products...

Firms sometimes try to "poach" the current customers of their competitors by offering them special inducements to switch. The authors analyze duopoly poaching under both short-term and long-term contracts in two polar cases: either each consumer's brand preferences are constant from one period...