* Farmed fishing represents a global supply chain that most of us benefit from.
* This article details the externalities of that supply chain, which are often severe for both humans and the environment.
* Liberal economics has solutions for negative externalities like these, including Pigouvian taxes, regulations, etc., but many could not be implemented without significant fiscal and political costs.
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**Submission Statement**:
* Farmed fishing represents a global supply chain that most of us benefit from.
* This article details the externalities of that supply chain, which are often severe for both humans and the environment.
* Liberal economics has solutions for negative externalities like these, including Pigouvian taxes, regulations, etc., but many could not be implemented without significant fiscal and political costs.