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AI Summary
- Supermarket ice cream freezers show clear market segmentation: Ben & Jerry's dominates chunky flavors while Häagen-Dazs focuses on smooth varieties
- The brands rarely compete in each other's territories, suggesting either natural specialization or potential 'tacit collusion'
- Investigates whether Ben & Jerry's and Häagen-Dazs silently agreed to divide the premium ice cream market without explicit coordination