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Kovarik, Jaromir; Mengel, Friederike; Romero, J. Gabriel - 2010

We study (anti-) coordination problems in networks in a laboratory experiment. Participants interact with their neighbours in a fixed network to play a bilateral (anti-) coordination game. Our main treatment variable is the extent to which players are heterogeneous in the number of connections...

Persistent link: https://www.econbiz.de/10014195360

How Homophily Affects the Speed of Learning and Best Response Dynamics

Golub, Benjamin - 2012

We examine how the speed of learning and best-response processes depends on homophily: the tendency of agents to associate disproportionately with those having similar traits. When agents' beliefs or behaviors are developed by averaging what they see among their neighbors, then convergence to a...

Persistent link: https://www.econbiz.de/10013116883

Cooperation Through Imitation and Exclusion In Networks

Fosco, Constanza - 2009

We develop a simple model to study the coevolution of interaction structures and action choices in Prisoners' Dilemma games. Agents are boundedly rational and choose both actions and interaction partners via payoff-based imitation. The dynamics of imitation and exclusion yields polymorphic...

Persistent link: https://www.econbiz.de/10013157463

Networks of Military Alliances, Wars, and International Trade

Jackson, Matthew O.; Nei, Stephen - 2015

We investigate the role of networks of alliances in preventing (multilateral) interstate wars. We first show that, in the absence of international trade, no network of alliances is peaceful and stable. We then show that international trade induces peaceful and stable networks: trade increases...

Persistent link: https://www.econbiz.de/10014145358

Naive Learning in Social Networks : Convergence, Influence and Wisdom of Crowds

Jackson, Matthew O.; Golub, Benjamin - 2012

We study learning and influence in a setting where agents communicate according to an arbitrary social network and naively update their beliefs by repeatedly taking weighted averages of their neighbors' opinions. A focus is on conditions under which beliefs of all agents in large societies...

Persistent link: https://www.econbiz.de/10014049685

The Incentives to Participate in, and the Stability of, International Climate Coalitions : A Game-Theoretic Analysis Using the Witch Model

Bosetti, Valentina - 2012

, and the stability of broad coalitions to achieve ambitious climate change mitigation action. Only coalitions including all …. Some factors omitted from the analysis, which might improve coalition stability, include the co-benefits from mitigation …

Persistent link: https://www.econbiz.de/10013116831

A Good Opening : The Key to Make the Most of Unilateral Climate Action

Bosetti, Valentina; De Cian, Enrica - 2012

In this paper we argue that when a subgroup of countries cooperate on emission reduction, the optimal response of non-signatory countries reflects the interaction between three potentially opposing factors, the incentive to free-ride on the benefits of cooperation, the incentive to expand the...

Persistent link: https://www.econbiz.de/10014173973

Modeling Biased Technical Change - Implications for Climate Policy

Carraro, Carlo; De Cian, Enrica; Nicita, Lea - 2012

Climate-economy models aiming at quantifying the costs and effects of climate change impacts and policies have become important tools for climate policy decision-making. Although there are several important dimensions along which models differ, this paper focuses on a key component of climate...

Persistent link: https://www.econbiz.de/10014197713

Incentives and Stability of International Climate Coalitions : An Integrated Assessment

Bosetti, Valentina; Carraro, Carlo; De Cian, Enrica; … - 2012

This paper analyses the incentives to participate in and the stability of international climate coalitions. Using the … integrated assessment model WITCH, the analysis of coalitions’ profitability and stability is performed under alternative … on the profitability, stability, and “potential stability” of a number of coalitions which are “potentially effective” in …

Persistent link: https://www.econbiz.de/10014041690

Extrapolation in Games of Coordination and Dominance Solvable Games

Mengel, Friederike; Sciubba, Emanuela - 2011

We study extrapolation between games in a laboratory experiment. Participants in our experiment first play either the dominance solvable guessing game or a Coordination version of the guessing game for five rounds. Afterwards they play a 3x3 normal form game for ten rounds with random matching...

Persistent link: https://www.econbiz.de/10014187526