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by RootReducer
2666 days ago
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The author addresses this in the conclusion, and is also suspicious, but presents some possibilities that explain it. "This surprises me, because the dramatic shift in 1973 made me expect to see a single cause (and multifactorial trends should be rare in general, maybe, I think). It looks like there are two reasons why 1973 seems more important than it is...." |
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