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The Integration of Search in Macroeconomics: Two Alternative Paths

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  • Samuel Danthine

    () (CREST - ENSAI)

  • Michel De Vroey

    () (UNIVERSITE CATHOLIQUE DE LOUVAIN, Institut de Recherches Economiques et Sociales (IRES))

Abstract

Our paper analyzes and compares two attempts at integrating unemployment in macroeconomics. The first, due to Diamond, consists in a search model exhibiting multiple equilibria and wherein cycles may be produced. The second is due to Andolfatto and Merz who, more or less simultaneously, constructed models enabling the integration of the matching function into RBC modeling. In the first sections, we present the methodology upon which our paper is based – Leijonhufvud’s decision-tree insight – and briefly describe these three economists’ motivations and the context in which they were working. We continue with recounting the birth and further development of the search paradigm upon which Diamond’s, Andolfatto’s and Merz’s attempts were based. These preliminaries settled we address the heart of the paper, the critical analysis of their respective contributions. Our interest lies specifically in how they made their way in the development of the field. We explain why Diamond’s model, which ambitioned to rival Lucas’s explanation of business fluctuations, did not live up to its author’s expectations. Andolfatto and Merz’s project was less ambitious yet their model became an established component of the RBC program – but at the price of abandoning several constitutive traits of the search approach.

Suggested Citation

  • Samuel Danthine & Michel De Vroey, 2016. "The Integration of Search in Macroeconomics: Two Alternative Paths," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 2016012, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
  • Handle: RePEc:ctl:louvir:2016012
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    References listed on IDEAS

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    Cited by:

    1. Samuel Danthine & Michel De Vroey, 2016. "The Integration of Search in Macroeconomics: Interviews with David Andolfatto, Peter Diamond and Monika Merz," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 2016013, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).

    More about this item

    Keywords

    Search and Matching models; Diamond; Lucas; Andolfatto; Merz; Real Business Cycle models; Matching function; Unemployment;

    JEL classification:

    • B21 - Schools of Economic Thought and Methodology - - History of Economic Thought since 1925 - - - Microeconomics
    • B40 - Schools of Economic Thought and Methodology - - Economic Methodology - - - General
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • J64 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Unemployment: Models, Duration, Incidence, and Job Search

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