“Write your model almost as you would on paper and Michel will take care of the rest!” Michel Juillard’s contribution to macroeconomics in historical perspective

Beatrice Cherrier (), Aurélien Saïdi () and Francesco Sergi ()
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Beatrice Cherrier: CREST - Centre de Recherche en Économie et Statistique - ENSAI - Ecole Nationale de la Statistique et de l'Analyse de l'Information [Bruz] - GENES - Groupe des Écoles Nationales d'Économie et Statistique - X - École polytechnique - IP Paris - Institut Polytechnique de Paris - ENSAE Paris - École Nationale de la Statistique et de l'Administration Économique - GENES - Groupe des Écoles Nationales d'Économie et Statistique - IP Paris - Institut Polytechnique de Paris - CNRS - Centre National de la Recherche Scientifique
Aurélien Saïdi: ENS Paris Saclay - Ecole Normale Supérieure Paris-Saclay, IDHES - Institutions et Dynamiques Historiques de l'Économie et de la Société - UP1 - Université Paris 1 Panthéon-Sorbonne - UP8 - Université Paris 8 - UPN - Université Paris Nanterre - UEVE - Université d'Évry-Val-d'Essonne - CNRS - Centre National de la Recherche Scientifique - ENS Paris Saclay - Ecole Normale Supérieure Paris-Saclay
Francesco Sergi: LIPHA - Laboratoire Interdisciplinaire d'étude du Politique Hannah Arendt Paris-Est - UPEC UP12 - Université Paris-Est Créteil Val-de-Marne - Paris 12 - Université Gustave Eiffel, CES - Centre d'économie de la Sorbonne - UP1 - Université Paris 1 Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique

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Abstract: In this article, we document Michel Juillard's contribution to macroeconomics. Best known as the creator of the computer package Dynare, Juillard's impact extends far beyond software development. We trace his training and career from his first encounter with computers in high school through his ongoing work on Dynare. His contribution to macroeconomics, we argue, is threefold: intellectual (devising algorithms and addressing specific computational problems for a class of models), technical (writing code and developing a computer package), and institutional (establishing and maintaining the governance structures that ensure Dynare's sustainability as a digital commons). Juillard's career highlights broader questions about adapting Ostrom's framework to digital commons development, the principles that govern software development, and the place computational economics should occupy in the history of macroeconomics.

Keywords: History of macroeconomics; Dynare Juillard (Michel); Computerization of economics; Digital commons (search for similar items in EconPapers)
Date: 2025
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Published in Journal of Economic Dynamics and Control, In press, pp.105224. ⟨10.1016/j.jedc.2025.105224⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:cesptp:hal-05402785

DOI: 10.1016/j.jedc.2025.105224

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