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  • Public Good

Non-Rivalry and the Zero Marginal Cost of Public Goods

The primary characteristic of a public good is non-rivalry, which means that its use by one person does not reduce its availability to others. In such cases, once the good is accessible to one individual, the marginal cost of making it available to additional people is zero. This is because potential users are not in competition with each other for the good.

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Introduction to Microeconomics Course

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