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Networks in Economics
Zenou, Yves - C.E.P.R. Discussion Papers - 2012
We provide an overview on networks in economics. We first look at the theoretical aspects of network economics using a … game-theoretical approach. We derive some results on games on networks and network formation. We also study what happens … empirical-relevant questions by mainly focusing on labor-market networks and crime networks. We provide some empirical evidence …
Persistent link: https://www.econbiz.de/10011083628
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Social Networks
De Martí, Joan; Zenou, Yves - C.E.P.R. Discussion Papers - 2009
We survey the literature on social networks by putting together the economics, sociological and physics … network formation. While the physics/applied mathematics approach is capable of reproducing most observed networks, it does … not explain why they emerge. On the contrary, the economics approach is very precise in explaining why networks emerge but …
Persistent link: https://www.econbiz.de/10008557014
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Complementarities and Games: New Developments
Vives, Xavier - C.E.P.R. Discussion Papers - 2004
The theory of monotone comparative statics and supermodular games is presented as the appropriate tool to model complementarities. The approach, which has not yet been fully incorporated into the standard toolbox of researchers, makes the analysis intuitive and simple, helps in deriving new...
Persistent link: https://www.econbiz.de/10005123543
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Aggregate Comparative Statics
Acemoglu, Daron; Jensen, Martin Kaae - C.E.P.R. Discussion Papers - 2009
In aggregative games, each player's payoff depends on her own actions and an aggregate of the actions of all the players (for example, sum, product or some moment of the distribution of actions). Many common games in industrial organization, political economy, public economics, and...
Persistent link: https://www.econbiz.de/10005067446
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Democracy Undone. Systematic Minority Advantage in Competitive Vote Markets
Casella, Alessandra; Turban, Sébastien - C.E.P.R. Discussion Papers - 2012
We study the competitive equilibrium of a market for votes where voters can trade votes for a numeraire before making a decision via majority rule. The choice is binary and the number of supporters of either alternative is known. We identify a sufficient condition guaranteeing the existence of...
Persistent link: https://www.econbiz.de/10011084259
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Network Structure and Strategic Investments: An Experimental Analysis
Rosenkranz, Stephanie; Weitzel, Utz - C.E.P.R. Discussion Papers - 2008
play in networks is to some extent boundedly rational, in the sense that coordination is influenced by local and individual …
Persistent link: https://www.econbiz.de/10005136539
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Existence of Pure Strategies Nash Equilibria in Social Interaction Games with Dyadic Externalities
Le Breton, Michel; Weber, Shlomo - C.E.P.R. Discussion Papers - 2009
In this note we introduce a general class of games where the payoff of every player are affected by her intrinsic taste for available strategic choices; intensity of her dyadic social interactions of with others in the peer group; and conformity effect. We show, that if the dyadic social...
Persistent link: https://www.econbiz.de/10005000440
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Networks in Conflict: Theory and Evidence from the Great War of Africa
König, Michael; Rohner, Dominic; Thoenig, Mathias; … - C.E.P.R. Discussion Papers - 2015
We study from both a theoretical and an empirical perspective how a network of military alliances and enmities affects the intensity of a conflict. The model combines elements from network theory and from the politico-economic theory of conflict. We postulate a Tullock contest success function...
Persistent link: https://www.econbiz.de/10011145465
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Network Games with Incomplete Information
De Martí, Joan; Zenou, Yves - C.E.P.R. Discussion Papers - 2014
We consider a network game with strategic complementarities where the individual reward or the strength of interactions is only partially known by the agents. Players receive different correlated signals and they make inferences about other players' information. We demonstrate that there exists...
Persistent link: https://www.econbiz.de/10011096094
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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