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UID:event-9355@amse-aixmarseille.fr
DTSTAMP:20260417T061818Z
CREATED:20260417T061818Z
LAST-MODIFIED:20260417T061818Z
STATUS:CONFIRMED
SEQUENCE:0
SUMMARY:Eco-lunch - Georgios Angelis
DTSTART:20230406T103000Z
DTEND:20230406T113000Z
DESCRIPTION:The matching function\, the central building block of models wi
 th search frictions\, remains largely a “black box.” In this paper\, we
  use tools from network theory to unpack it showing how the structure of th
 e underlying connections between applicants and firms determines the emerge
 nt matching function’s properties. Our overarching message is that struct
 ure counts. We show that for complex structures\, captured by non-random gr
 aphs\, the matching function depends on whole sets of connections rather th
 an just the sizes of the two sides of the market. For simpler\, random grap
 h structures\, the matching function depends only on the sizes of the two s
 ides and a few structural parameters\, as typically assumed in the literatu
 re. Structures characterized by greater asymmetries in the connections of a
 pplicants reduce the matching function’s overall match efficacy\, while m
 ore connections across applicants can have ambiguous effects on it. In the 
 special case when the underlying connections are given by an Erdös-Rényi 
 network\, we illustrate that the way applicants’ links vary with the size
 s of the two sides of the market plays a critical role for the matching fun
 ction to exhibit constant returns to scale\, or even to be of specific func
 tional forms\, like Cobb-Douglas or CES.\\n\\nContact: Nathalie Ferrière :
  nathalie.ferriere[at]sciencespo-aix.frFederico Trionfetti : federico.tri
 onfetti[at]univ-amu.fr\n\nPlus d'informations: https://amse-aixmarseille.fr
 /fr/evenements/georgios-angelis-1
LOCATION:MEGA - Salle Carine Nourry\, 424\, Chemin du Viaduc\, 13080 Aix-en
 -Provence
URL;VALUE=URI:https://amse-aixmarseille.fr/fr/evenements/georgios-angelis-1
CONTACT:Nathalie Ferrière :&nbsp\;nathalie.ferriere[at]sciencespo-aix.frFe
 derico Trionfetti :&nbsp\;federico.trionfetti[at]univ-amu.fr
TRANSP:OPAQUE
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