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来源类型 | Working Paper |
规范类型 | 报告 |
DOI | 10.3386/w16880 |
来源ID | Working Paper 16880 |
A Roy Model of Social Interactions | |
Steve Cicala; Roland G. Fryer, Jr.; Jörg L. Spenkuch | |
发表日期 | 2011-03-10 |
出版年 | 2011 |
语种 | 英语 |
摘要 | We develop a Roy model of social interactions in which individuals sort into peer groups based on comparative advantage. Two key results emerge: First, when comparative advantage is the guiding principle of peer group organization, the effect of moving a student into an environment with higher-achieving peers depends on where in the ability distribution she falls and the effective wages that clear the social market. In this sense our model may rationalize the widely varying estimates of peer effects found in the literature without casting group behavior as an externality in agents' objective functions. Second, since a student's comparative advantage is typically unobserved, the theory implies that important determinants of individual choice operate through the error term and may, even under random assignment, be correlated with the regressor of interest. As a result, linear in means estimates of peer effects are not identified. We show that the model's testable prediction in the presence of this confounding issue-an individual's ordinal rank predicts her behavior, ceteris paribus-is borne out in two data sets. |
主题 | Health, Education, and Welfare ; Labor Economics ; Demography and Aging |
URL | https://www.nber.org/papers/w16880 |
来源智库 | National Bureau of Economic Research (United States) |
引用统计 | |
资源类型 | 智库出版物 |
条目标识符 | http://119.78.100.153/handle/2XGU8XDN/574552 |
推荐引用方式 GB/T 7714 | Steve Cicala,Roland G. Fryer, Jr.,Jörg L. Spenkuch. A Roy Model of Social Interactions. 2011. |
条目包含的文件 | ||||||
文件名称/大小 | 资源类型 | 版本类型 | 开放类型 | 使用许可 | ||
w16880.pdf(825KB) | 智库出版物 | 限制开放 | CC BY-NC-SA | 浏览 |
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