Esta é a lição de economia que eu queria aprender hoje

Dinheiro gasto é dinheiro gasto. Não adianta se apegar a ele.

E por dinheiro, leia-se tempo, esforço, dedicação ou mesmo vontade.

It’s one of the most profound and difficult lessons every MBA is taught: Ignore sunk costs. Money and effort you spent yesterday should have nothing to do with decisions you make tomorrow, because each decision is a new one.

viaSeth’s Blog: The truth about sunk costs.

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