縱座標：左：教育水準....到研究所級；右：字數
#Dailychart: The Federal Reserve's statements have become longer and more complex, according to a report. A noticeable uptick in the complexity of statements occurred shortly after the Fed announced the start of quantitative easing in late 2008. As its balance-sheet ballooned, so too did the length of its press statements http://econ.st/1qCFBfr
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