The Economic Consequences of Social-Network Structure

Jackson, Matthew O.; Rogers, Brian W.; Zénou, Yves

doi:10.1257/jel.20150694

Cited by 358 publications

(97 citation statements)

References 165 publications

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“…Concepts, which consider not only those actors involved directly in the own firm specific value chain, like close suppliers, financiers or clients, but rather all factors which shape a firm’s value chain also in an indirect way, are therefore necessary. Such a view has to enrich the close competitive environment, rethinking existing causal relationships but also encompass physical and intangible assets, like infrastructures, institutions, sources of knowledge and human capital spillovers, and network effects (Audretsch et al 2016; Jackson et al 2017; Lehmann and Menter 2016, 2018; Kuratko et al 2017). Drawing from biology, Moore (1993) pioneered the concept of business ecosystems as a cluster of interrelating actors, like different kinds of firms, universities, scientific parks, and public government that co-exist in a common setting and evolve together like creatures in their ecosystem do.…”

Section: Introductionmentioning

confidence: 99%

Entrepreneurial ecosystems: economic, technological, and societal impacts

et al. 2018

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Despite the overwhelming use of the metaphor ‘ecosystem’ in academia, industry, policy, and management, exact definitions of what ‘ecosystems’ really comprise are scarce and often inconsistent. Existing vague descriptions in the literature do not consider the boundaries of respective agglomerations, hence, they impede the evaluation of performance and outcome measures of respective ecosystems. This special issue is a first attempt to trace the ‘ecosystem’ discussion back to its roots—the ancient oikos, coined by the Greek philosopher Hesiod (700 BC), and aims to critically reflect on the usage of the term ‘ecosystem’, briefly summarize the extant literature and grasp the main features of entrepreneurial ecosystems, namely the economic, technological, and societal dimensions of entrepreneurial ecosystems. We intend to focus on the key elements that characterize an ecosystem, and hence, untangle under what conditions entrepreneurial firms shape and influence economic, technological, and societal thinking within their ecosystem.

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confidence: 99%

Entrepreneurial ecosystems: economic, technological, and societal impacts

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“…The economics of networks is a growing field. For recent overviews, see Jackson (), Ioannides (), Jackson, Rogers, and Zenou (), and Jackson and Zenou ().…”

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Competitive pricing strategies in social networks

Chen

Zénou

Zhou

2018

The RAND J of Economics

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We study pricing strategies of competing firms selling heterogeneous products to consumers. Goods are substitutes and there are network externalities between neighboring consumers. In equilibrium, firms price discriminate based on the network positions and charge lower prices to more central consumers. We also show that, under some conditions, firms' equilibrium profits decrease when either the network becomes denser or network effects increase. In contrast, consumers always benefit from being more connected to each other. We determine the optimal network structure and compare uniform pricing and discriminatory pricing from the perspectives of firms and consumers.

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“…See Goyal (), Jackson (), de Martí and Zenou (), Jackson and Zenou (), and Jackson et al . () for overviews of the growing body of literature on social and economic networks.…”

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confidence: 99%

“…Also, using administrative data and information from Facebook.com,Mayer and Puller (2008) find that race is strongly related to social ties, even after controlling for a variety of measures of socio-economic background, ability, and college activities. 2 SeeGoyal (2007),Jackson (2008), de Martí and Zenou (2011),Jackson and Zenou (2015), andJackson et al (2017) for overviews of the growing body of literature on social and economic networks.C The editors of The Scandinavian Journal of Economics 2016.…”

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Segregation in Friendship Networks

Martí

Zénou

2017

Scandinavian J Economics

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We analyze a network formation model where agents belong to different communities. Both individual benefits and costs depend on direct as well as indirect connections. Benefits of an indirect connection decrease with distance in the network while the cost of a link depends on the type of agents involved. Two individuals from the same community always face a low linking cost while the cost of forming a relationship between two individuals from different communities diminishes with the rate of exposure of each of them to the other community. We find that socialization among the same type of agents can be weak even if the cost of maintaining links within one's own type is very low. Our model also suggests that policies aiming at reducing segregation are socially desirable only if they reduce the within-community cost differential by a sufficiently large amount.

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The Economic Consequences of Social-Network Structure

Cited by 358 publications

References 165 publications

Entrepreneurial ecosystems: economic, technological, and societal impacts

Entrepreneurial ecosystems: economic, technological, and societal impacts

Competitive pricing strategies in social networks

Segregation in Friendship Networks

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