According to the Federal Reserve, that increase reflected a $2 trillion increase in the value of homes and an $8 trillion rise in the value of shares, unincorporated businesses, and other net financial assets. As former Fed Chair Ben Bernanke explained when he launched large-scale asset purchases, or quantitative easing, that increase in wealth – and the resulting rise in consumer spending – was the intended result.
今年GDP增长加速的主要推动力是2013年家庭财富增加了10万亿美元。根据美联储的数据，其中2万亿美元来自住房价值升高，8万亿美元来自股票、非公司企业和其他净金融资产的升值。正如前美联储主席本·伯南克在他实施大规模资产购买计划（即量化宽松）时所解释的，财富的增长——以及由此带来的消费支出的增长——正是这一计划的目的。