Article (Scientific journals)
Spatial interactions
Kim, Jun Sung; Patacchini, Eleonora; PICARD, Pierre M et al.
2023In Quantitative Economics, 14 (4), p. 1295-1335
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Keywords :
Economics and Econometrics
Abstract :
[en] This paper studies how the strength of social ties is affected by the geographical location of other individuals and their social capital. We characterize the equilibrium in terms of both social interactions and social capital. We show that lower travel costs increase not only the interaction frequency but also the social capital for all agents. We also show that the equilibrium frequency of interactions is lower than the efficient one. Using a unique geocoded data set of friendship networks among adolescents in the United States, we structurally estimate the model and show that indeed agents socially interact less than that at the first best optimum. Our policy analysis suggests that, at the same cost, subsidizing social interactions yield a higher total welfare than subsidizing transportation costs.
Disciplines :
Quantitative methods in economics & management
Author, co-author :
Kim, Jun Sung;  Department of Economics, Sungkyunkwan University
Patacchini, Eleonora;  Department of Economics, Bocconi University ; Department of Economics, Cornell University
PICARD, Pierre M ;  University of Luxembourg > Faculty of Law, Economics and Finance (FDEF) > Department of Economics and Management (DEM) ; LIDAM/CORE, Université catholique de Louvain
ZENOU, Yves ;  Department of Economics, Monash University ; CEPR ; IZA
External co-authors :
yes
Language :
English
Title :
Spatial interactions
Publication date :
November 2023
Journal title :
Quantitative Economics
ISSN :
1759-7323
eISSN :
1759-7331
Publisher :
The Econometric Society
Volume :
14
Issue :
4
Pages :
1295-1335
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Research Institute of Economy, Trade and Industry
Fonds National de la Recherche Luxembourg
Fonds National de la Recherche Luxembourg
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