美国是世界经济最发达的国家,而美国联邦储备署则是制定美国各种货币政策的机构,比如预测美国下一年的通货膨胀率。一位经济系博士生研究了联邦储备署的会议记录,结果有了惊人的发现,如果一名机构决策者预计下一年的通货膨胀率更高,他或她的笑声就会持续的更长久。统计发 The United States is the most economically developed country in the world, and the Federal Reserve is the institution that makes various monetary policies in the United States, such as predicting the inflation rate of the United States next year. A Ph.D. candidate in economics studied the minutes of the Federal Reserve and the result was astonishing discoveries. If an institutional policymaker expected the next year’s inflation to be higher, his or her laughter would last longer long. Statistics hair