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Re:We shouldn’t push a positive mindset on those in poverty by dragonwriter on Saturday February 19, 2022 @06:25PM (#30401537)
> What is the "expensive" assumption based on? Is it the opportunity cost?

Yes, and the basic assumption of free markets that competition drives prices to the minimum sellers are willing to accept (equal to opportunity cost of the units actually traded), and that this value per unit increases, so that the next unit must have an opportunity cost to the seller higher than the average of the prior units.

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