Economics for A-level Students

30 Negative Production Externality

About this lesson
This video explains negative externalities of production, a situation where firms create external costs for third parties during their production process. The key consequence is that free markets tend to overproduce goods, leading to outcomes that are not socially optimal. We use the example of a chemical factory releasing waste into a river, which impacts local residents and businesses. The explanation delves into identifying both private costs borne by the factory and external costs like pollution and health issues imposed on others. A detailed diagram illustrates the divergence between marginal private costs and marginal social costs, showing how the market equilibrium quantity (QM) exceeds the socially optimal quantity (QS). This overproduction results in a deadweight loss, representing the loss of total welfare to society. Visit AxiomTutoring.com and subscribe to @AxiomTutoringCourses.
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