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Gossip: Identifying Central Individuals in a Social Network

Banerjee, Abhijit; Chandrasekhar, Arun G; Duflo, Esther; … - C.E.P.R. Discussion Papers - 2014

Can we identify the members of a community who are best- placed to diffuse information simply by asking a random sample of in- dividuals? We show that boundedly-rational individuals can, simply by tracking sources of gossip, identify those who are most central in a network according to...

Persistent link: https://www.econbiz.de/10011083579

The Economic Consequences of Social Network Structure

Jackson, Matthew O.; Rogers, Brian; Zenou, Yves - C.E.P.R. Discussion Papers - 2015

We survey the literatures on the economic consequences of the structure of social networks. We develop a taxonomy of … 'macro' and 'micro' characteristics of social inter-action networks and discuss both the theoretical and empirical findings … discuss the challenges of accounting for the endogeneity of networks in assessing the relationship between the patterns of …

Persistent link: https://www.econbiz.de/10011165640

Local and Consistent Centrality Measures in Networks

Dequiedt, Vianney; Zenou, Yves - C.E.P.R. Discussion Papers - 2014

The centrality of an agent in a network has been shown to be crucial in explaining different behaviors and outcomes. In this paper, we propose an axiomatic approach to characterize a class of centrality measures for which the centrality of an agent is recursively related to the centralities of...

Persistent link: https://www.econbiz.de/10011083213

Trading and information diffusion in OTC markets

Babus, Ana; Kondor, Péter - C.E.P.R. Discussion Papers - 2013

We model trading and information diffusion in OTC markets, when dealers can engage in many bilateral transactions at the same time. We show that information diffusion is effective, but not efficient. While each bilateral price partially reveals all dealers' private information after a single...

Persistent link: https://www.econbiz.de/10011084704

Growth and Human Capital: A Network Approach

Cavalcanti, Tiago; Giannitsarou, Chryssi - C.E.P.R. Discussion Papers - 2015

We study the interactions and dynamics of human capital, growth and inequality by explicitly embedding networks into a …

Persistent link: https://www.econbiz.de/10011201356

Subadditivity Tests for Network Separation with an Application to US Railroads

Ivaldi, Marc; McCullough, Gerard - C.E.P.R. Discussion Papers - 2004

We describe a pair of subadditivity tests that can be used to evaluate the technological feasibility of separating a vertically integrated network monopoly into a common infrastructure component and competing operating components. We implement the tests with a Generalized McFadden cost function...

Persistent link: https://www.econbiz.de/10005067525

The Economic Impact of Social Ties: Evidence from German Reunification

Burchardi, Konrad B.; Hassan, Tarek - C.E.P.R. Discussion Papers - 2011

We use the fall of the Berlin Wall in 1989 to show that personal relationships which individuals maintain for non-economic reasons can be an important determinant of regional economic growth. We show that West German households who have social ties to East Germany in 1989 experience a persistent...

Persistent link: https://www.econbiz.de/10009150021

Production Networks, Geography and Firm Performance

Bernard, Andrew B.; Moxnes, Andreas; Saito, Yukiko U. - C.E.P.R. Discussion Papers - 2015

This paper examines the importance of buyer-supplier relationships, geography and the structure of the production network in firm performance. We develop a simple model where firms can outsource tasks and search for suppliers in different locations. Low search and outsourcing costs lead firms to...

Persistent link: https://www.econbiz.de/10011262884

The Diffusion of Microfinance

Banerjee, Abhijit; Chandrasekhar, Arun G; Duflo, Esther; … - C.E.P.R. Discussion Papers - 2012

We examine how participation in a microfinance program diffuses through social networks. We collected detailed …

Persistent link: https://www.econbiz.de/10011084550

Bank Networks: Contagion, Systemic Risk and Prudential Policy

Aldasoro, Iñaki; Delli Gatti, Domenico; Faia, Ester - C.E.P.R. Discussion Papers - 2015

We present a network model of the interbank market in which optimizing risk averse banks lend to each other and invest in non-liquid assets. Market clearing takes place through a tâtonnement process which yields the equilibrium price, while traded quantities are determined by means of a...

Persistent link: https://www.econbiz.de/10011252622