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Krugman’s Unlearning



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Ruth Marcus points out that Paul Krugman used to be more sensible about Social Security than he is today. She concedes a bit too much to the Krugman of today, actually. She doesn’t point out that higher growth rates would do very little to reduce Social Security’s shortfall, and she doesn’t point out that while Medicare’s fiscal imbalance is a larger long-term problem, Social Security starts generating a large imbalance earlier.



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