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PONDER the dire state of infrastructure in America and some other Advanced economies, and their governments’ fecklessness boggles the mind. Time was when they were able to make badly needed investments; the roads and the universities were a priority. What changed? Not for nothing do pundits cite the hustling governments of China and Singapore as evidence that liberal democracies are no longer fit for purpose. But democracy is not the problem; rather, governments may lack motivation in what is, despite appearances, an unusually peaceful world.

War is hell; the less of it the better. Yet it has also been a near-constant feature of human history, and a constant stimulus to political evolution. Defence is a textbook example of a public good. Security benefits all residents of a country, and cannot be denied to citizens who prefer not to pay for it. There is little incentive for private forces to provide defence—unless by doing so they can take over the right to extract compensation from the society they protect. Throughout history, the legitimate government is the one that can best defend its people.

As populations have grown and technology has advanced, the job…

April 27, 2017 at 10:14PM

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