Housing, too, is itching to get cheaper, but for confused reasons governments go to great lengths to prevent it. Where it took sixteen weeks to earn the price of 100 square feet of housing in 1956, now it takes fourteen weeks and the housing is of better quality. But given the ease with which modern machinery can assemble a house, the price should have come down much faster than that. Governments prevent this by, first, using planning or zoning laws to restrict supply (especially in Britain); second, using the tax system to encourage mortgage borrowing (in the United States at least – no
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