Micro Propagation and Macro Aggregation
综述了一个研究微观经济冲击如何在一般均衡中加总和传播的框架，讨论了实际GDP、国内吸收和生产率等宏观指标的決定因素，并展示了该框架如何应用于从单个生产者到整个经济的分析。
This article reviews a framework for studying the aggregation and propagation of microeconomic shocks in general equilibrium. We discuss the determinants of aggregate measures of real economic activity, like real GDP, real domestic absorption, and aggregate productivity in both efficient and inefficient environments. We also discuss how shocks from one set of producers are transmitted to other producers through prices and quantities. The framework we provide is amenable to generalization and can be used to study any collection of producers ranging from one isolated producer to an industry consisting of heterogeneous producers to an entire economy. We conclude with a brief survey of some of the applied questions that can be addressed using the analytical tools presented in this review and avenues for future work.