ON THE GAME‐THEORETIC FOUNDATIONS OF COMPETITIVE SEARCH EQUILIBRIUM*
构建了一个统一的定向搜索框架，涵盖多种生产和匹配设定，证明了有限经济中纯策略子博弈完美纳什均衡的存在性，并扩展了大规模经济下的收敛结果，为竞争性搜索模型的微观基础提供了新环境下的理论支持。
We provide a unified directed search framework with general production and matching specifications that encompass most of the existing literature. We prove the existence of subgame perfect Nash equilibria in pure firm strategies in a finite version of the model. We use this result to derive a more complete characterization of the equilibrium set for the finite economy and to extend convergence results as the economy becomes large to general production and matching specifications. The latter extends the microfoundations for the standard market utility assumption used in competitive search models with a continuum of agents to new environments.