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Nadia Comaneci and Mr. X have preferences defined over pizza, p, and trampolines, t. They have identical utility functions, U(p, t) = . Each pizza costs $1 and each trampoline costs $1,000. Nadia and Mr. X like to share, and indeed trampolines are a public good for them. Pizza, however, is a private good. We don't know their exact incomes, but we do know that each of them earns at least $10,000.
Capital Investment
Funds expended by a business to acquire or upgrade physical assets such as property, industrial buildings, or equipment.
Robinson Crusoe
Used in economics as a metaphor for the study of decision making by individuals in solitude.
Sacrificed
Sacrificed refers to giving up something valued for the sake of other considerations or needs, often in the context of making difficult decisions.
Opportunity Cost
The value of the next best alternative that is foregone as a result of making a decision.
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