But real per capita GDP in the US is now three times higher than it was in 1958. What have people been spending all that extra money on?
但现在美国的人均实际国内生产总值已经是1958年的3倍。人们把多出来的钱都花在了什么地方？消费是否真的由创造需求的广告商和推销员们一手操纵？