PUBLIC GOOD: A good that's difficult to keep nonpayers from consuming (excludability), and use of the good by one person doesn't prevent use by others (rival consumption). Examples include national defense, a clean environment, and any fourth of July fireworks display. Public goods are invariably provided by government because there's no way a private business can profitably produce them. Private businesses can't sell public goods in markets, because they can't charge a price and keep nonpaying people away. Moreover, businesses shouldn't charge a price, because there's no opportunity cost for extra consumers. For efficiency, government needs to pay for public goods through taxes.

     See also | good types | excludability | rival consumption | efficiency | market | exchange | market failure | common-property good | near-public good | private good | free-rider problem |

PUBLIC GOOD, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2021. [Accessed: May 13, 2021].

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In the circular flow model, the transfer of goods and services from the business sector to the household sector and the transfer of resource services from the household sector to the business sector. The physical flow is usually illustrated as a counter-clockwise flow for a model with the product markets at the top, resource markets at the bottom, household sector at the left, and business sector at the left. The payment flow moves in the opposite direction.

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Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius hoping to buy either a set of serrated steak knives, with durable plastic handles or a pair of blue silicon oven mitts. Be on the lookout for telephone calls from former employers.
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