- 山口經濟學雜誌 (ISSN:05131758)
- vol.51, no.5, pp.643-663, 2003-07-31
The IS-LM model has been a central tool of macroeconomics teaching and practice for over half century. And economists pointed out some shortage of this model. But countless teachers, students, and policymakers have found the powerful framework for understanding macroeconomic fluctuations. The purpose of this paper is introduction of "IS-MP-IA" model, which is called by D.Romer . We will exhibit helpfulness of the Romer-model.