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| dd99f76 | The assumptions about human knowledge underlying the ideal of the perfect plan have proven to be more stubborn. They were given a jolt by the oil price shocks of the 1970s, when the world revealed itself to be less stable than everyone had thought. They provided clear evidence that planners could not know everything they needed to know, and that the business environment had an element of unpredictability. Ironically, it was just at that tim.. | Stephen Bungay |