2018

Multiple Activities in Networks

Reprint No. 2018:48

Author(s): Ying-Ju Chen, Yves Zenou and Junjie ZhouYear: 2018 Title: American Economic Journal: Microeconomics Volume (No.): 10 (3) Pages: 34–85
Online article (restrictions may apply)


We consider a network model where individuals exert efforts in two types of activities that are interdependent. These activities can be either substitutes or complements. We provide a full characterization of the Nash equilibrium of this game for any network structure. We show, in particular, that quadratic games with linear best-reply functions aggregate nicely to multiple activities because equilibrium efforts obey similar formulas to that of the one-activity case. We then derive some comparative statics results showing how own productivity affects equilibrium efforts and how network density impacts equilibrium outcomes.


Reference:
Chen, Ying-Ju, Yves Zenou and Junjie Zhou (2018), "Multiple Activities in Networks". American Economic Journal: Microeconomics 10(3), 34–85.

Integrating Immigrants into the Nordic Labour Markets

An Overall Perspective

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Denmark, Finland, Norway and Sweden face similar problems of integrating large groups of immigrants, especially low-educated ones from outside the EU, into their labour markets. In this volume, edited by Lars Calmfors, IFN, and Nora Sánchez Gassen in cooperation with researchers from across the Nordic Region analyse how labour market integration of immigrants can be promoted. 

About the book

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