裙长指数理论(Hemline theory)起源于1926年美国宾夕法尼亚大学沃顿商学院经济学家乔治泰勒的观点:“经济增长时,女人会穿短裙,因为她们要炫耀里面的长丝袜;当经济不景气时,女人买不起丝袜,只好把裙边放长,来掩饰没有穿长丝袜的窘迫。”指经济繁荣程度与女性裙长成反比关系。也就是说,经济繁荣时,女性的裙子越来越短;一旦经济进入衰 Hemline theory originated in 1926, Wharton School of Economics George Taylor of the University of Pennsylvania point of view: “economic growth, women wear short skirts, because they want to show off the stockings inside; when the economy In times of recession, women can not afford stockings and have to put their skirts on top to hide the embarrassment of not wearing stockings. ”“ The economic prosperity is inversely proportional to the woman’s skirt length. ” In other words, women’s skirts are getting shorter and shorter in a prosperous economy; once the economy declines