>In a situation like that, I'm having trouble seeing why it would be unreasonable to stop selling to that price-cutting retailer, particularly if they are a pla

>In a situation like that, I'm having trouble seeing why it would be unreasonable to stop selling to that price-cutting retailer, particularly if they are a player with entrenched market power. If they're acting illegally you should apply for an injunction, but you would have a reasonable defence if you decided to cut off their supply. Your intent in cutting off supply wasn't to make the market less competitive, but to prevent an abuse of the market.