Arbeitspapier
Identification of peer effects through social networks
We provide new results regarding the identification of peer effects. We consider an extended version of the linear-in-means model where each individual has his own specific reference group. Interactions are thus structured through a social network. We assume that correlated unobservables are either absent, or treated as fixed effects at the component level. In both cases, we provide easy-to-check necessary and sufficient conditions for identification. We show that endogenous and exogenous effects are generally identified under network interaction, although identification may fail for some particular structures. Monte Carlo simulations provide an analysis of the effects of some crucial characteristics of a network (i.e., density, intransitivity) on the estimates of social effects. Our approach generalizes a number of previous results due to Manski (1993), Moffitt (2001), and Lee (2006).
- Sprache
-
Englisch
- Erschienen in
-
Series: IZA Discussion Papers ; No. 2652
- Klassifikation
-
Wirtschaft
- Thema
-
Soziale Beziehungen
Soziales Netzwerk
Ökonometrisches Modell
Theorie
- Ereignis
-
Geistige Schöpfung
- (wer)
-
Bramoullé, Yann
Djebbari, Habiba
Fortin, Bernard
- Ereignis
-
Veröffentlichung
- (wer)
-
Institute for the Study of Labor (IZA)
- (wo)
-
Bonn
- (wann)
-
2007
- Handle
- URN
-
urn:nbn:de:101:1-2008041694
- Letzte Aktualisierung
-
10.03.2025, 11:43 MEZ
Datenpartner
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Objekttyp
- Arbeitspapier
Beteiligte
- Bramoullé, Yann
- Djebbari, Habiba
- Fortin, Bernard
- Institute for the Study of Labor (IZA)
Entstanden
- 2007
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