Let us begin with a simple analogy that lays bare the matter at once. Imagine a household that, instead of investing in its own productivity, repairing its tools, training its children in a trade, and paying its workers a decent price, takes a loan from a neighbour at a ruinous rate of interest and uses that loan to plug current holes. The neighbour is content, for he draws his percentage. The household goes to bed full for another month. Yet within a year the tools are worn out, the children have scattered, the workers have found another master, and the debt to the neighbour has grown so large that it can be repaid in only one way: by selling the house.
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