Some Comments on the Role of Econometrics in Economic Theory
指出结构模型对货币政策问题必不可少但模型本身都是错的，计量学家应开发诊断工具评估模型对特定问题的有用性，并回顾了两种诊断策略。
The basic tension facing econometricians is that structural models are necessary for addressing monetary policy questions. But all models are, by their very nature, false. Econometric programs that focus on testing whether models are true will be ignored by practicing macroeconomists. The critical task facing econometricians is to develop diagnostic tools for assessing the usefulness of models for addressing particular questions. This article reviews two diagnostic strategies.