In the case of Liquid Carbonic Corp. v. United States, 1955, the Supreme Court ruled in favor of the government and upheld a lower court's decision that Liquid Carbonic Corporation had violated antitrust laws by engaging in price-fixing activities with its competitors. The company was accused of conspiring to fix prices for carbon dioxide gas sold to soft drink bottlers across several states from 1939-1947. The corporation argued that it did not violate any law because their actions were part of an open price system where they shared pricing information with other companies but didn't agree on specific prices or restrict competition. However, evidence showed that there was indeed an agreement among these corporations to maintain uniform pricing which led to limited competition and higher consumer costs for carbon dioxide gas during this period.

In the dissenting opinion for Liquid Carbonic Corp. v. United States, the justice argued that the majority's decision to uphold an antitrust violation was incorrect because it failed to consider whether there was a reasonable and less restrictive alternative available to achieve the same result. The justice contended that while competition is generally beneficial, it should not be promoted at all costs without considering other important factors such as efficiency and consumer welfare. In this case, he believed that Liquid Carbonic Corporation’s exclusive dealing contracts were necessary for maintaining quality control over its product (carbonated beverages) and ensuring efficient distribution in a highly competitive market with low profit margins. Therefore, these contracts did not unreasonably restrain trade but rather enhanced overall economic performance by reducing transaction costs and risks associated with unreliable or dishonest distributors.