{"title":"影响活动","authors":"E. Sadler","doi":"10.2139/ssrn.3371835","DOIUrl":null,"url":null,"abstract":"Firms and politicians, among others, invest heavily to influence people’s opinions. Because peers influence one another, these efforts must account for social networks. Using a model of opinion dynamics with a non-degenerate steady state, I develop a new measure of influence, and I highlight how opinion fluctuations impact influence campaigns. If agents interact less frequently with those holding different opinions, the variance of public opinion decreases. Consequently, a risk-averse planner focuses on persuading a large majority of agents in a small set of tightly knit groups, while a risk-loving planner makes much broader appeals. (JEL D11, D72, D83, D85, Z13)","PeriodicalId":170831,"journal":{"name":"Public Choice: Analysis of Collective Decision-Making eJournal","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2020-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":"{\"title\":\"Influence Campaigns\",\"authors\":\"E. Sadler\",\"doi\":\"10.2139/ssrn.3371835\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Firms and politicians, among others, invest heavily to influence people’s opinions. Because peers influence one another, these efforts must account for social networks. Using a model of opinion dynamics with a non-degenerate steady state, I develop a new measure of influence, and I highlight how opinion fluctuations impact influence campaigns. If agents interact less frequently with those holding different opinions, the variance of public opinion decreases. Consequently, a risk-averse planner focuses on persuading a large majority of agents in a small set of tightly knit groups, while a risk-loving planner makes much broader appeals. (JEL D11, D72, D83, D85, Z13)\",\"PeriodicalId\":170831,\"journal\":{\"name\":\"Public Choice: Analysis of Collective Decision-Making eJournal\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2020-03-26\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"7\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Public Choice: Analysis of Collective Decision-Making eJournal\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2139/ssrn.3371835\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Public Choice: Analysis of Collective Decision-Making eJournal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2139/ssrn.3371835","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Firms and politicians, among others, invest heavily to influence people’s opinions. Because peers influence one another, these efforts must account for social networks. Using a model of opinion dynamics with a non-degenerate steady state, I develop a new measure of influence, and I highlight how opinion fluctuations impact influence campaigns. If agents interact less frequently with those holding different opinions, the variance of public opinion decreases. Consequently, a risk-averse planner focuses on persuading a large majority of agents in a small set of tightly knit groups, while a risk-loving planner makes much broader appeals. (JEL D11, D72, D83, D85, Z13)
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