Example

Case Study: DuPont's PFOA Pollution and Coasean Bargaining Failure

The case of DuPont's PFOA pollution in West Virginia, stemming from its Teflon manufacturing since the 1950s, serves as a stark example of Coasean bargaining failure. For decades, DuPont was aware of the severe health risks of PFOA, creating a significant information asymmetry. This, combined with the absence of clearly defined property rights—neither DuPont's right to use PFOA nor the residents' right to clean water was legally established—made private negotiation impossible. The externality was ultimately addressed not through bargaining but through the legal system, beginning with a lawsuit in 1998 and culminating in a 2017 settlement where DuPont paid $671 million to resolve over 3,550 lawsuits, all while denying any wrongdoing.

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Updated 2026-05-02

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