Friends with Benefits: Social Capital and Household Financial Behavior

Using friendship data from Facebook, we find that among three aspects of social capital, Economic Connectedness the fraction of ones social network with high income has the strongest relationship with stock market and saving participation. One standard-deviation greater Economic Connectedness is本研究依托Facebook的好友关系数据开展分析，结果显示，在社会资本的三个维度中，经济关联度（Economic Connectedness）——即个人社交网络中高收入群体的占比——与股票市场参与及储蓄参与的关联程度最强。经济关联度每提升一个标准差，