Internal consistency, price rigidity and the microfoundations of macroeconomics.

Macromodels based on microfoundations represent the dominant approach in macroeconomics. These models appear to adopt a clear methodological approach, which promotes internal consistency above external consistency as a necessary condition of admissibility. This paper develops two arguments. The firs...

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Main Author: Wren-Lewis, S
Format: Journal article
Language:English
Published: Taylor and Francis 2011
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author Wren-Lewis, S
author_facet Wren-Lewis, S
author_sort Wren-Lewis, S
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description Macromodels based on microfoundations represent the dominant approach in macroeconomics. These models appear to adopt a clear methodological approach, which promotes internal consistency above external consistency as a necessary condition of admissibility. This paper develops two arguments. The first is that internal consistency makes the development of microfounded macromodels dependent on the pace of theoretical innovation. This had led to an internal debate between ‘pragmatists’ who argue for limited departures from internal consistency, and ‘purists’ who claim that this would compromise methodological integrity. The second argument is directly relevant to this debate. It is that the inclusion of price rigidity into these models via short-cuts like Calvo contracts has required a key modification of the microfoundations methodology, such that internal consistency can only be claimed indirectly by appeal to theory developed elsewhere. This modification has repercussions that imply that the microfoundations project is not as unblemished as the ‘purists’ imagine.
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spelling oxford-uuid:b2838af5-279e-4ade-a8de-40b41b4a01842022-03-27T04:12:18ZInternal consistency, price rigidity and the microfoundations of macroeconomics.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:b2838af5-279e-4ade-a8de-40b41b4a0184EnglishDepartment of Economics - ePrintsTaylor and Francis2011Wren-Lewis, SMacromodels based on microfoundations represent the dominant approach in macroeconomics. These models appear to adopt a clear methodological approach, which promotes internal consistency above external consistency as a necessary condition of admissibility. This paper develops two arguments. The first is that internal consistency makes the development of microfounded macromodels dependent on the pace of theoretical innovation. This had led to an internal debate between ‘pragmatists’ who argue for limited departures from internal consistency, and ‘purists’ who claim that this would compromise methodological integrity. The second argument is directly relevant to this debate. It is that the inclusion of price rigidity into these models via short-cuts like Calvo contracts has required a key modification of the microfoundations methodology, such that internal consistency can only be claimed indirectly by appeal to theory developed elsewhere. This modification has repercussions that imply that the microfoundations project is not as unblemished as the ‘purists’ imagine.
spellingShingle Wren-Lewis, S
Internal consistency, price rigidity and the microfoundations of macroeconomics.
title Internal consistency, price rigidity and the microfoundations of macroeconomics.
title_full Internal consistency, price rigidity and the microfoundations of macroeconomics.
title_fullStr Internal consistency, price rigidity and the microfoundations of macroeconomics.
title_full_unstemmed Internal consistency, price rigidity and the microfoundations of macroeconomics.
title_short Internal consistency, price rigidity and the microfoundations of macroeconomics.
title_sort internal consistency price rigidity and the microfoundations of macroeconomics
work_keys_str_mv AT wrenlewiss internalconsistencypricerigidityandthemicrofoundationsofmacroeconomics