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原文連結
論文資訊
- 類型：已發表論文
- 日期：2013
摘要
To study the impact of the choice of injection points in the 擴散 of a new product in a society, we developed a model of word-of-mouth 擴散 and then applied it to data on 社會 網絡s and participation in a newly available microfinance loan program in 43 Indian villages. Our model allows us to distinguish 資訊 passing among neighbors from direct influence of neighbors' participation decisions, as well as 資訊 passing by participants versus nonparticipants. The model estimates suggest that participants are seven times as likely to pass 資訊 compared to informed nonparticipants, but 資訊 passed by nonparticipants still accounts for roughly one-third of eventual participation. An informed household is not more likely to participate if its informed friends participate. We then propose two new measures of how ef
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