We propose a new location model where consumers are allowed to make multiple purchases (i.e., one unit from each firm). This model may fit many markets (e.g., newspapers, credit cards) better than existing models. A common feature of these markets is that some consumers are loyal to one brand,...

We propose a new location model where consumers are allowed to make multiple purchases (i.e., one unit from each firm). This model fits many markets (e.g. newspapers, credit cards, scholarly journals, subscriptions to TV channels, etc.) better than existing models. A common feature of these...

We propose a new location model where consumers are allowed to make multiple purchases (i.e., one unit from each firm). This model may fit many markets (e.g. newspapers, credit cards) better than existing models. A common feature of these markets is that some consumers are loyal to one brand,...