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Unfavorable Land Endowment, Cooperation, and Reversal of Fortune

Litina, Anastasia - Department of Economics, University of Warwick - 2013

the effect of natural land productivity on the desirable level of cooperation in the agricultural sector. In early stages … of development, unfavorable land endowment enhanced the economic incentive for cooperation in the creation of … effects of cooperation on the intensive margin of agriculture, low land productivity countries lagged behind during the …

Persistent link: https://www.econbiz.de/10010862705

Tag-Mediated Altruism is Contingent on How Cheaters Are Defined

Shutters, Shade T.; Hales, David - In: Journal of Artificial Societies and Social Simulation 16 (2013) 1, pp. 4-4

Cooperation is essential for complex biological and social systems and explaining its evolutionary origins remains a … central question in several disciplines. Tag systems are a class of models demonstrating the evolution of cooperation between …

Persistent link: https://www.econbiz.de/10010942699

Cooperation with Random Interactions and Without Memory or "tags"

Fort, Hugo - In: Journal of Artificial Societies and Social Simulation 6 (2003) 2, pp. 4-4

The self-organization into cooperative regimes of a system of "selfish" agents playing the pairwise Prisoner's Dilemma game (PDG) is analyzed using a simple agent-based model. At each time step t, the agents divide into those who cooperate (C) and those who defect (D). The agents have no memory...

Persistent link: https://www.econbiz.de/10005292605

Reputation and Cooperation in Defence

Hugh Jones, David; Zultan, Ro'i - Department of Economics, University of Warwick - 2011

Surprisingly high levels of within-group cooperation are observed in conflict situations. Ex- periments confirm that … external threats lead to higher cooperation. The psychological literature suggests proximate explanations in the form of group … cooperation is a rational response to an external threat. We introduce a model in which groups vary in their willing- ness to help …

Persistent link: https://www.econbiz.de/10010758491

Cooperation and Personality

Proto, Eugenio - Department of Economics, University of Warwick - 2013

Cooperating and trusting behavior may be explained by preferences over social outcomes (people care about others, are unselfish and help- ful), or attitudes to work and social responsibilities (plans have to be carried out, norms have to be followed). If the first hypothesis is true, Agreeable-...

Persistent link: https://www.econbiz.de/10010758501

A Theory of Cooperation through Social Division, with Evidence from Nepal

Choy, James - Department of Economics, University of Warwick - 2013

Informal, kin-based groups play an important role in developing country economies. I point out two facts: communities … model in which division of the community into non-interacting groups allows agents to support higher levels of cooperation … should be less cooperation between members of groups that make up a larger percentage of their communities. I discuss …

Persistent link: https://www.econbiz.de/10010758517

A Forgiving Strategy for the Iterated Prisoner's Dilemma

O'Riordan, Colm - In: Journal of Artificial Societies and Social Simulation 3 (2000) 4, pp. 3-3

-)establishing cooperation. The strategy is compared to well-known strategies in the domain and results presented. The initial findings, as well …

Persistent link: https://www.econbiz.de/10005481574

The Integration of Defectors in a Cooperative Setting

Bissey, Marie-Edith; Ortona, Guido - In: Journal of Artificial Societies and Social Simulation 5 (2002) 2, pp. 2-2

considered. We find that the "intelligence" of the players plays a crucial role in the way players learn to cooperate. The …

Persistent link: https://www.econbiz.de/10005481582

Emerging communication and cooperation in evolving agent societies

Buzing, Pieter; Eiben, A.E.; Schut, Martijn C. - In: Journal of Artificial Societies and Social Simulation 8 (2004) 1, pp. 2-2

cooperation in an artificial society. In this framework the environmental pressure to cooperate is controllable by a single … results from experiments that implemented and tested environments based upon this new model of cooperation. The results show … that the pressure to cooperate leads to the evolution of communication skills facilitating cooperation. Furthermore, higher …

Persistent link: https://www.econbiz.de/10005481601

The Fate of Spatial Dilemmas with Different Fuzzy Measures of Success

Fort, Hugo; Pérez, Nicolás - In: Journal of Artificial Societies and Social Simulation 8 (2005) 3, pp. 1-1

Cooperation among self-interested individuals pervades nature and seems essential to explain several landmarks in the … cooperation. In this work we approach the problem from a different angle. We consider a system of adaptive agents, in a two … steady states are characterised by different degrees of cooperation, "economic geographies" (population structure and maps of …

Persistent link: https://www.econbiz.de/10004983518