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Local Network Effects and Complex Network Structure

Sundararajan, Arun - 2014

This paper presents a model of local network effects in which agents connected by a social network each value the …-Nash equilibria of this network game are in monotone strategies, can be strictly Pareto-ranked based on a scalar neighbor … which the social network is an instance of a Poisson random graph, when it is a complete graph, a standard model of network …

Persistent link: https://www.econbiz.de/10014028465

Community Formation in Networks

bochet, olivier; Ferrali, Romain; Zenou, Yves - 2022

We study a strategic model of community formation on networks. Starting from a seed community member, the process of community formation is sequential, with infinitely-patient and forward-looking agents making strategic offers to their neighbors. Each agent makes an irreversible binary choice,...

Persistent link: https://www.econbiz.de/10013294427

The price of anarchy for network formation in an adversary model

Kliemann, Lasse - In: Games 2 (2011) 3, pp. 302-332

We study network formation with n players and link cost α > 0. After the network is built, an adversary randomly …

Persistent link: https://www.econbiz.de/10009752420

Network formation with local complements and global substitutes : the case of R&D networks

Hsieh, Chih-sheng; König, Michael D.; Liu, Xiaodong - 2016 - This version: February 15, 2016

efficient network maximizing social welfare, and find that the efficient graph is either empty, complete or shows a strong core … counterfactual analyses, taking into account that the network and production can dynamically adjust to shocks or policy interventions ….6%. Our study further reveals that when ignoring the network structure the impact of firm exit or mergers is significantly …

Persistent link: https://www.econbiz.de/10011429537

Social Norms in Networks

Ushchev, Philip - 2018

Although the linear-in-means model is the workhorse model in empirical work on peer effects, its theoretical properties are understudied. In this paper, we investigate how social norms affect individual effort, aggregate effort, and welfare. While individual productivity always positively...

Persistent link: https://www.econbiz.de/10012909443

Social Norms in Networks

Ushchev, Philip - 2019

Although the linear-in-means model is the workhorse model in empirical work on peer effects, its theoretical properties are understudied. In this study, we develop a social-norm model that provides a microfoundation of the linear-in-means model and investigate its properties. We show that...

Persistent link: https://www.econbiz.de/10012859300

The formation of networks with local spillovers and limited observability

König, Michael D. - In: Theoretical economics : TE ; an open access journal in … 11 (2016) 3, pp. 813-863

the other agents in the network. Agents derive payoff from having access to the information of others through … communication or spillovers via the links between them. Linking decisions are based on network-dependent marginal payoff and a … network independent noise capturing exogenous idiosyncratic effects. Moreover, agents have a limited observation radius when …

Persistent link: https://www.econbiz.de/10011671893

The Optimal Defense of Network Connectivity

Kovenock, Dan; Roberson, Brian - 2016

-theoretic model of attack and defense of a network in which the defender's objective is to maintain network connectivity and the … attacker's objective is to destroy a set of nodes that disconnects the network. The conflict at each node is modeled as a … which a single random [minimal] set of nodes that disconnects the network is attacked …

Persistent link: https://www.econbiz.de/10013000824

Network Comparative Statics

Harkins, Andrew - 2021

This paper develops a framework for analyzing the effect of arbitrary changes to network structure in linear …-quadratic games on networks. Changes to network structure which increase total activity and total utility are studied for the case of … centrality which counts the total length of walks from a node.Two optimal network design problems are then considered. Total …

Persistent link: https://www.econbiz.de/10013227382

A Structural Model of Dense Network Formation (Supplemental Material)

Mele, Angelo - 2017

This file contains Appendices A and B of the paper: "A Structural Model of Dense Network Formation" Original paper can …

Persistent link: https://www.econbiz.de/10014034534

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