"If one individual or group gets something at no cost, somebody else ends up paying for it. If there appears to be no direct cost to any single individual, there is a social cost."

"To get one thing that we like, we usually have to give up another thing that we like. Making decisions requires trading off one goal against another."


skúšam si tie premisy aplikovať na naberanie vody zo studne, ale zauzlil sa mi mozog:)

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