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Journal of Artificial Societies and Social Simulation最新文献

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Agent-Based Simulation of West Asian Urban Dynamics: Impact of Refugees 基于agent的西亚城市动态模拟:难民的影响
Pub Date : 2021-01-01 DOI: 10.18564/jasss.4472
Ali Termos,Stefano Picascia,Neil Yorke-Smith
Abstract: Rapid international migration of significant populations generates profound implications for countries in West Asia, Europe, and other regions. The motivation of this work is to develop an agent-based model (ABM) to capture the existence of suchmigrant and refugee flows, and to explore the e ects of these flows on urban dynamics. Advances in agent-basedmodelling have led to theoretically-grounded spatial agent models of urban dynamics, capturing the dynamics of population, property prices, and regeneration. In this article we leverage such an extant agent-basedmodel founded on the rent-gap theory, as a lens to study the e ect of sizeable refugee migration upon a capital city in West Asia. In order to calibrate and validate the simulation model we construct indices for housing prices and other factors. Results from the model, implemented in NetLogo, show the impact of migration shock on the housing market, and identify the relative e icacy of housing intervention policies. Our work progresses towards a tool for policy makers asking what-if questions about the urban environment in the context of migration.
摘要:大量人口的快速国际迁移对西亚、欧洲和其他地区的国家产生了深远的影响。这项工作的动机是开发一个基于主体的模型(ABM)来捕捉这种移民和难民流动的存在,并探索这些流动对城市动态的影响。基于主体的建模技术的进步导致了基于理论的城市动态空间主体模型,捕捉了人口、房地产价格和再生的动态。在本文中,我们利用这种基于租金差距理论的现有代理模型,作为研究大规模难民移民对西亚首都城市影响的视角。为了对模拟模型进行校正和验证,我们构建了房价和其他因素的指数。在NetLogo中实施的模型结果显示了移民冲击对住房市场的影响,并确定了住房干预政策的相对有效性。我们的工作旨在为政策制定者提供一个工具,帮助他们在移民背景下提出关于城市环境的假设问题。
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引用次数: 0
Modeling COVID-19 for Lifting Non-Pharmaceutical Interventions 模拟COVID-19以解除非药物干预措施
Pub Date : 2021-01-01 DOI: 10.18564/jasss.4585
Matthew Koehler,David M Slater,Garry Jacyna,James R Thompson
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引用次数: 0
Can Ethnic Tolerance Curb Self-Reinforcing School Segregation? A Theoretical Agent Based Model 种族宽容能抑制自我强化的学校隔离吗?基于Agent的理论模型
Pub Date : 2021-01-01 DOI: 10.18564/jasss.4544
Lucas Sage,Andreas Flache
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引用次数: 0
Cascades Across Networks Are Sufficient for the Formation of Echo Chambers: An Agent-Based Model 跨网络的级联足以形成回声室:一个基于代理的模型
Pub Date : 2021-01-01 DOI: 10.18564/jasss.4566
Jan-Philipp Fränken,Toby Pilditch
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引用次数: 0
A Weighted Balance Model of Opinion Hyperpolarization 意见超极化的加权平衡模型
Pub Date : 2020-01-01 DOI: 10.18564/jasss.4306
Simon Schweighofer,Frank Schweitzer,David Garcia
Polarization is threatening the stability of democratic societies. Until now, polarization research has focused on opinion extremeness, overlooking the correlation between di erent policy issues. In this paper, we explain the emergence of hyperpolarization, i.e., the combination of extremeness and correlation between issues, by developing a new theory of opinion formation called “WeightedBalance Theory (WBT)”.WBT extends Heider’s cognitive balance theory to encompass multiple weighted attitudes. We validated WBT on empirical data from the 2016 National Election Survey. Furthermore, we developed an opinion dynamics model based onWBT, which, for the first time, is able to generate hyperpolarization and to explain the link between a ective and opinion polarization. Finally, our theory encompasses other phenomena of opinion dynamics, including mono-polarization and backfire e ects.
两极分化威胁着民主社会的稳定。到目前为止,两极分化研究主要集中在观点极端化上,忽视了不同政策问题之间的相关性。在本文中,我们通过发展一种新的观点形成理论,即加权平衡理论(WBT)来解释超极化的出现,即问题之间的极端性和相关性的结合。WBT扩展了Heider的认知平衡理论,以涵盖多重加权态度。我们用2016年全国选举调查的实证数据验证了WBT。此外,我们开发了一个基于wbt的意见动态模型,该模型首次能够产生超极化,并解释了有效和意见极化之间的联系。最后,我们的理论还涵盖了意见动态的其他现象,包括单极化和逆火效应。
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引用次数: 0
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Journal of Artificial Societies and Social Simulation
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