JASSS is an interdisciplinary, online, open access journal for the exploration and understanding of social processes by means of computer simulation

Joined November 2015
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13 Oct 2025
#JASSS is expanding its digital presence! ๐ŸŒ Join our community on LinkedIn, BlueSky, and YouTube to stay updated on new research, calls, and initiatives๐Ÿš€ ๐Ÿ”—In: shorturl.at/zu0cu ๐Ÿ”—BS: shorturl.at/haHgV ๐Ÿ”—YT: shorturl.at/tFHjm
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Who is most at risk in aged care facilities, and when? A new #ABM study builds institutional #ContactMatrices from staff shifts and care routines, revealing where #InfectiousDisease transmission truly concentrates. Read the full #OA article in #JASSS: jasss.org/29/2/7.html
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Not all nodes are equal โ€” yet #Network models treat them as if they were. A new study adapts the Configuration Model to embed node attributes into #NetworkStructure, with a tenfold increase in #ClusteringCoefficient. Read the full #OA article in #JASSS: jasss.org/29/2/6.html
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More realistic #AgentBasedModels are not always better: a new study shows that richer agent #Heterogeneity undermines #ModelCalibration reliability โ€” reopening the KISS vs KIDS debate on new empirical ground. Read the full #OpenAccess article in #JASSS: jasss.org/29/2/5.html
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No protests in the streets โ€” yet resistance grows. A new #ABM study models how #OnlineProtest dynamics on #SocialMedia quietly accumulate dissent potential among ordinary users even under #AuthoritarianRepression. Read the full #OA article in #JASSS: jasss.org/29/2/4.html
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Bad news travels fast โ€” but how exactly? A new #ABM study combines #DeepLearning sentiment tracking and an epidemiological model to map how negativity about corporations spreads across Reddit's #FinancialCommunities. Read the full #OA article in #JASSS: jasss.org/29/2/3.html
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What drives households to adopt rooftop #SolarPV? A new #ABM study reveals that it is not just money โ€”#socialnorms and #opiniondynamics matter more, with surprising insensitivity to #network structure. Read the full #OpenAccess article in #JASSS: jasss.org/29/2/2.html
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No algorithms, no biased media, no hostile users โ€” yet #polarization still emerges. A new #ABM study extending Axelrod's model shows how rewarding interactions alone fuel a self-reinforcing "rich-get-richer" dynamic. Read the full #OA article in #JASSS: jasss.org/29/2/1.html
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Although we love #archeaologists, we are trying to do our best to avoid this! #peerreview #review #journals #reviewer
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#JASSS Vol.29 Issue 2 is out! New research explores online polarization, authoritarian repression, solar PV adoption & financial sentiment spread through the lens of #AgentBasedModeling. Find out what #ComputationalSocialScience reveals about society ๐Ÿ‘‰ jasss.org

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Can #socialsolidarity prevent agro-pastoral collapse? Paul Chapron & colleagues co-designed an #ABM with Senegalese farmers to find out. Spoiler: remove parcel lending & food sharing, and the system collapses #CompanionModeling #participatory #simulation youtu.be/gucSiwhHqW0
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Real-world #Policy problems are hard to capture with traditional models, but a #generative approach may change the game. GPLab combines #LLMs and #ABM to advance #computationalsocialscience for public decision support. Read the full #OA article in #JASSS: jasss.org/29/1/6.html
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How long before #OpioidPolicy actually reduces deaths? OPOSim #ABM simulates #OpioidUse dynamics in #NorthCarolina to test #prevention strategies and reveals how small shifts can change #epidemic trajectories Read the full #OpenAccess article in #JASSS: jasss.org/29/1/5.html
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Can #AI safeguard a healthy #InfoEcosystem? An #ABM by @quarbby and @KathleenMCarley shows that proactive #Bots outperform reactive #FactChecking in mitigating the spread of #ConspiracyTheories on #SocialMedia. Read the full #OpenAccess article in #JASSS: jasss.org/29/1/4.html
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We are mourning the loss of Dr. Jiaqi Ge, a valued Editorial Board member and a kind, constructive voice in our community. Her presence and expertise will be greatly missed by all of us at JASSS. Full tribute: news.jasss.org/remembering-dโ€ฆ
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How do you #model what canโ€™t be measured? This study demonstrates how #ParticipatoryModeling integrates local knowledge and #Calibration to capture hidden social dynamics in complex socio-ecological systems. Read the full #OpenAccess article in #JASSS: jasss.org/29/1/3.html
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Why do non-political issues polarize? This #MultiAgentModel with #NetworkHomophily solves the discrepancy between #Simulation and #Empirical findings, showing that #OilSpillPolarization can emerge even among moderates. Read the full #OA article in #JASSS: jasss.org/29/1/1.html
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The first 2026 issue of #JASSS has been published today, including 6 new articles and 1 corrigendum. Enjoy the issue! jasss.org/JASSS.html

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The #JASSS website just got a major upgrade! ๐Ÿš€ We have launched brand new dedicated sections for Awards, News, and Videos to highlight the main updates and amazing work happening in our community. Come see whatโ€™s new! ๐Ÿ’ป jasss.org/JASSS.html
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#ABM thrives but fragmented code and reinvented wheels slow progress. We introduce #AGENTBLOCKS, an open #community #platform that shares & improves #ReusableBuildingBlocks to support #Standardization in ABM and beyond. Read #OpenAccess article in #JASSS: jasss.org/28/4/11.html
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Structural calibration of ABMs is often overlooked, yet it can dramatically shape model outcomes. We address this by introducing an innovative #InverseModelling #method to #explore & #calibrate #ABM #structures Read the full #OpenAccess article in #JASSS: jasss.org/28/4/10.html
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