Networks, Markets, and Inequality
构建了一个模型，分析社交网络中的个体如何选择参与网络或市场，并解释市场对不平等和福利的不同影响取决于网络与市场是互补还是替代关系。
The interaction between community and markets remains a central theme in the social sciences. The empirical evidence is rich: in some instances, markets strengthen social ties, while in others they undermine them. The impact of markets on inequality and welfare also varies widely. This paper develops a model where individuals in a social network choose whether to participate in their network and whether to participate in the market. We show that individual behavior is defined by the q-core of the network and the key to understanding the conflicting evidence is whether the market and the network are complements or substitutes.