JASSS - Journal of Artificial Societies and Social Simulation
@jasssjournal.bsky.social
JASSS is an interdisciplinary, online, open access journal for the exploration and understanding of social processes by means of computer simulation
#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 the full #OpenAccess article in #JASSS: www.jasss.org/28/4/11.html
Read the full #OpenAccess article in #JASSS: www.jasss.org/28/4/11.html
January 9, 2026 at 12:26 PM
#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 the full #OpenAccess article in #JASSS: www.jasss.org/28/4/11.html
Read the full #OpenAccess article in #JASSS: www.jasss.org/28/4/11.html
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: www.jasss.org/28/4/10.html
Read the full #OpenAccess article in #JASSS: www.jasss.org/28/4/10.html
January 7, 2026 at 11:29 AM
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: www.jasss.org/28/4/10.html
Read the full #OpenAccess article in #JASSS: www.jasss.org/28/4/10.html
Who should be traced first? An empirically calibrated #ABM shows that #ContactTracing works best when prioritizing influential spreaders—even if identified only via simple proxies like #Age and #HouseholdSize.
Read the full #OpenAccess article in #JASSS: www.jasss.org/28/4/9.html
Read the full #OpenAccess article in #JASSS: www.jasss.org/28/4/9.html
January 5, 2026 at 4:48 PM
Who should be traced first? An empirically calibrated #ABM shows that #ContactTracing works best when prioritizing influential spreaders—even if identified only via simple proxies like #Age and #HouseholdSize.
Read the full #OpenAccess article in #JASSS: www.jasss.org/28/4/9.html
Read the full #OpenAccess article in #JASSS: www.jasss.org/28/4/9.html
By fitting an #ABM of #schoolchoice to household-level data, this study reveals unexpected #heuristic #behaviors shaping #SchoolSegregation dynamics and offers a novel #estimation #framework for realistic ABMs.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/8.html
Read the full #OpenAccess article in #jasss: jasss.org/28/4/8.html
December 22, 2025 at 2:41 PM
By fitting an #ABM of #schoolchoice to household-level data, this study reveals unexpected #heuristic #behaviors shaping #SchoolSegregation dynamics and offers a novel #estimation #framework for realistic ABMs.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/8.html
Read the full #OpenAccess article in #jasss: jasss.org/28/4/8.html
How do #PaymentForPerformance reshape care-seeking? An #ABM of childbirth care in #Tanzania links provider incentives, informal fees, peer learning, and demand pressure, revealing effects of supply-side change.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/7.html
Read the full #OpenAccess article in #jasss: jasss.org/28/4/7.html
December 16, 2025 at 2:15 PM
How do #PaymentForPerformance reshape care-seeking? An #ABM of childbirth care in #Tanzania links provider incentives, informal fees, peer learning, and demand pressure, revealing effects of supply-side change.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/7.html
Read the full #OpenAccess article in #jasss: jasss.org/28/4/7.html
Watch #CompanionModeling in action!
Etienne Delay (@cirad.bsky.social & ESP Dakar) shares how local farmers and stakeholders co-design #TreeProtection and #agroecological strategies in #Senegal’s Groundnut Basin.
Insightful #participatory #simulation 🌱👉
youtube.com/shorts/dGg6Q...
Etienne Delay (@cirad.bsky.social & ESP Dakar) shares how local farmers and stakeholders co-design #TreeProtection and #agroecological strategies in #Senegal’s Groundnut Basin.
Insightful #participatory #simulation 🌱👉
youtube.com/shorts/dGg6Q...
Companion Modeling for Rethinking Tree Protection in Senegal’s Groundnut Basin
YouTube video by Jasss Journal
youtube.com
December 12, 2025 at 2:27 PM
Watch #CompanionModeling in action!
Etienne Delay (@cirad.bsky.social & ESP Dakar) shares how local farmers and stakeholders co-design #TreeProtection and #agroecological strategies in #Senegal’s Groundnut Basin.
Insightful #participatory #simulation 🌱👉
youtube.com/shorts/dGg6Q...
Etienne Delay (@cirad.bsky.social & ESP Dakar) shares how local farmers and stakeholders co-design #TreeProtection and #agroecological strategies in #Senegal’s Groundnut Basin.
Insightful #participatory #simulation 🌱👉
youtube.com/shorts/dGg6Q...
When #tree loss threatens #soils and #food security in #Senegal, the #SAFIRe #participatory #ABM helps communities explore new pathways for #regeneration and reshape #CommunityBased #ResourceManagement.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/6.html
Read the full #OpenAccess article in #jasss: jasss.org/28/4/6.html
December 10, 2025 at 12:14 PM
When #tree loss threatens #soils and #food security in #Senegal, the #SAFIRe #participatory #ABM helps communities explore new pathways for #regeneration and reshape #CommunityBased #ResourceManagement.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/6.html
Read the full #OpenAccess article in #jasss: jasss.org/28/4/6.html
Did the #Casarabe Culture truly domesticate the #Amazon? 🌿
New #ABM simulations propose a model of highly localized, intensive #land use driven by environmental 'desirability' & inter-settlement #cooperation.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/5.html
New #ABM simulations propose a model of highly localized, intensive #land use driven by environmental 'desirability' & inter-settlement #cooperation.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/5.html
December 2, 2025 at 11:11 AM
Did the #Casarabe Culture truly domesticate the #Amazon? 🌿
New #ABM simulations propose a model of highly localized, intensive #land use driven by environmental 'desirability' & inter-settlement #cooperation.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/5.html
New #ABM simulations propose a model of highly localized, intensive #land use driven by environmental 'desirability' & inter-settlement #cooperation.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/5.html
MIDAO advances #ABM by showing how specific arguments - not just abstract #socialinfluence - drive #opinion formation and #Innovation adoption. A more realistic, theory-driven perspective on #opiniondynamics.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/4.html
Read the full #OpenAccess article in #jasss: jasss.org/28/4/4.html
November 25, 2025 at 12:23 PM
MIDAO advances #ABM by showing how specific arguments - not just abstract #socialinfluence - drive #opinion formation and #Innovation adoption. A more realistic, theory-driven perspective on #opiniondynamics.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/4.html
Read the full #OpenAccess article in #jasss: jasss.org/28/4/4.html
Why do a few players dominate #China’s e-retail #market? An #AgentBasedModel demonstrates how small shifts in #consumer risk-taking, pickiness, and #WoM can alter market power in unexpected ways.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/3.html
Read the full #OpenAccess article in #jasss: jasss.org/28/4/3.html
November 17, 2025 at 2:03 PM
Why do a few players dominate #China’s e-retail #market? An #AgentBasedModel demonstrates how small shifts in #consumer risk-taking, pickiness, and #WoM can alter market power in unexpected ways.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/3.html
Read the full #OpenAccess article in #jasss: jasss.org/28/4/3.html
How does deliberation reshape collective judgment? An #AgentBasedModel of the #DoctrinalParadox compares binary voting, belief aggregation, and interaction—revealing when talk helps or deepens contradictions.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/2.html
Read the full #OpenAccess article in #jasss: jasss.org/28/4/2.html
November 11, 2025 at 12:25 PM
How does deliberation reshape collective judgment? An #AgentBasedModel of the #DoctrinalParadox compares binary voting, belief aggregation, and interaction—revealing when talk helps or deepens contradictions.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/2.html
Read the full #OpenAccess article in #jasss: jasss.org/28/4/2.html
Can models learn realistic human behavior, such as #PedestrianDynamics? This new study applies #AdaptiveGeneticProgramming within #InverseGenerativeSocialScience to evolve stochastic rules in #AgentBasedModels.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/1.html
Read the full #OpenAccess article in #jasss: jasss.org/28/4/1.html
November 4, 2025 at 2:47 PM
Can models learn realistic human behavior, such as #PedestrianDynamics? This new study applies #AdaptiveGeneticProgramming within #InverseGenerativeSocialScience to evolve stochastic rules in #AgentBasedModels.
Read the full #OpenAccess article in #jasss: jasss.org/28/4/1.html
Read the full #OpenAccess article in #jasss: jasss.org/28/4/1.html
For his excellent reports, promptness, and dedication, the #JASSS Editorial Board is delighted to name @vittonesp.bsky.social among the Best Top 5 Reviewers of the Year!🎓
We deeply appreciate your commitment to #PeerReview, #OpenScience, and the JASSS community!
youtu.be/8l0yGwZUN0s
We deeply appreciate your commitment to #PeerReview, #OpenScience, and the JASSS community!
youtu.be/8l0yGwZUN0s
Best Reviewer Award 2025 - Vittorio Nespeca
YouTube video by Jasss Journal
youtu.be
October 20, 2025 at 12:12 PM
For his excellent reports, promptness, and dedication, the #JASSS Editorial Board is delighted to name @vittonesp.bsky.social among the Best Top 5 Reviewers of the Year!🎓
We deeply appreciate your commitment to #PeerReview, #OpenScience, and the JASSS community!
youtu.be/8l0yGwZUN0s
We deeply appreciate your commitment to #PeerReview, #OpenScience, and the JASSS community!
youtu.be/8l0yGwZUN0s
Recognizing her report quality, timeliness, and valuable contribution, the #JASSS Editorial Board proudly names Amineh Ghorbani among the Best Top 5 Reviewers of the Year! 🎓
Thank you for your dedication to #PeerReview, #OpenScience, and our community!
youtu.be/mRwBO9eSLB4
Thank you for your dedication to #PeerReview, #OpenScience, and our community!
youtu.be/mRwBO9eSLB4
Best Reviewer Award 2025 - Amineh Ghorbani
YouTube video by Jasss Journal
youtu.be
October 13, 2025 at 10:00 AM
Recognizing her report quality, timeliness, and valuable contribution, the #JASSS Editorial Board proudly names Amineh Ghorbani among the Best Top 5 Reviewers of the Year! 🎓
Thank you for your dedication to #PeerReview, #OpenScience, and our community!
youtu.be/mRwBO9eSLB4
Thank you for your dedication to #PeerReview, #OpenScience, and our community!
youtu.be/mRwBO9eSLB4
We are proud to announce the winner of the 2025 Best PhD Student Article Award: Daniel Torren-Peraire, for "An Agent-Based Model of Cultural Change for a Low-Carbon Transition", published in #JASSS, 27(1), 2024, 13
➡️ jasss.org/27/1/13.html
Congrats! 🏆
youtube.com/shorts/lJ-Ge...
➡️ jasss.org/27/1/13.html
Congrats! 🏆
youtube.com/shorts/lJ-Ge...
Best PhD Student Article 2025
YouTube video by Jasss Journal
youtube.com
October 6, 2025 at 2:54 PM
We are proud to announce the winner of the 2025 Best PhD Student Article Award: Daniel Torren-Peraire, for "An Agent-Based Model of Cultural Change for a Low-Carbon Transition", published in #JASSS, 27(1), 2024, 13
➡️ jasss.org/27/1/13.html
Congrats! 🏆
youtube.com/shorts/lJ-Ge...
➡️ jasss.org/27/1/13.html
Congrats! 🏆
youtube.com/shorts/lJ-Ge...
This study rethinks #StakeholderEngagement in #AgentBasedModeling, exploring hidden dimensions of #Expertise, its diverse sources, and its subtle influence on #ComputationalModels and the #ModellingProcess.
Read the full #OpenAccess article on #jasss: jasss.org/28/3/10.html
Read the full #OpenAccess article on #jasss: jasss.org/28/3/10.html
September 3, 2025 at 9:48 AM
This study rethinks #StakeholderEngagement in #AgentBasedModeling, exploring hidden dimensions of #Expertise, its diverse sources, and its subtle influence on #ComputationalModels and the #ModellingProcess.
Read the full #OpenAccess article on #jasss: jasss.org/28/3/10.html
Read the full #OpenAccess article on #jasss: jasss.org/28/3/10.html
Can #AI accelerate #ABM development? By leveraging #LLMs like #ChatGPT & #Llama, this study shows how automating model feature extraction can transform simulation design & boost efficiency.
Read the full #OpenAccess article on #jasss: www.jasss.org/28/3/9.html
Read the full #OpenAccess article on #jasss: www.jasss.org/28/3/9.html
August 27, 2025 at 1:48 PM
Can #AI accelerate #ABM development? By leveraging #LLMs like #ChatGPT & #Llama, this study shows how automating model feature extraction can transform simulation design & boost efficiency.
Read the full #OpenAccess article on #jasss: www.jasss.org/28/3/9.html
Read the full #OpenAccess article on #jasss: www.jasss.org/28/3/9.html
What if predicting #behaviorchange was simpler than we thought? Hugo Lyons Keenan, Roben Delos Reyes &
@camzachreson.bsky.social show how just two data-driven parameters in a #microsimulation reveal real #learning and persistence patterns.
youtu.be/71nq_Hg-Ff8?...
@camzachreson.bsky.social show how just two data-driven parameters in a #microsimulation reveal real #learning and persistence patterns.
youtu.be/71nq_Hg-Ff8?...
A Microsimulation Model of Behaviour Change Calibrated to Reversal Learning Data
YouTube video by Jasss Journal
youtu.be
August 22, 2025 at 11:34 AM
What if predicting #behaviorchange was simpler than we thought? Hugo Lyons Keenan, Roben Delos Reyes &
@camzachreson.bsky.social show how just two data-driven parameters in a #microsimulation reveal real #learning and persistence patterns.
youtu.be/71nq_Hg-Ff8?...
@camzachreson.bsky.social show how just two data-driven parameters in a #microsimulation reveal real #learning and persistence patterns.
youtu.be/71nq_Hg-Ff8?...
Understanding #behaviorchange is vital to explain collective phenomena. This new #microsimulation captures #learningdynamics with just 2 parameters, offering a validated step toward better #collectivebehavior modeling.
Read #OpenAccess on #jasss: www.jasss.org/28/3/8.html
Read #OpenAccess on #jasss: www.jasss.org/28/3/8.html
August 20, 2025 at 11:08 AM
Understanding #behaviorchange is vital to explain collective phenomena. This new #microsimulation captures #learningdynamics with just 2 parameters, offering a validated step toward better #collectivebehavior modeling.
Read #OpenAccess on #jasss: www.jasss.org/28/3/8.html
Read #OpenAccess on #jasss: www.jasss.org/28/3/8.html
How do #opinions evolve on social media? A new #simulation framework merges #ABM, #LLMs & #ReinforcementLearning to ethically explore topic-specific #influence and the emergence of #opinionleaders in digital communities.
Read #OpenAccess on #JASSS: jasss.org/28/3/6.html
Read #OpenAccess on #JASSS: jasss.org/28/3/6.html
August 16, 2025 at 2:54 PM
How do #opinions evolve on social media? A new #simulation framework merges #ABM, #LLMs & #ReinforcementLearning to ethically explore topic-specific #influence and the emergence of #opinionleaders in digital communities.
Read #OpenAccess on #JASSS: jasss.org/28/3/6.html
Read #OpenAccess on #JASSS: jasss.org/28/3/6.html
An #AgentBasedModel calibrated on South Korea reveals how #financialpolicies —#interestrates and #DSR limits—reshape #marketconcentration. Results expose firm-level mechanisms, thresholds, and macro trade-offs.
Read #OpenAccess on #JASSS: www.jasss.org/28/3/5.html
Read #OpenAccess on #JASSS: www.jasss.org/28/3/5.html
July 28, 2025 at 11:52 AM
An #AgentBasedModel calibrated on South Korea reveals how #financialpolicies —#interestrates and #DSR limits—reshape #marketconcentration. Results expose firm-level mechanisms, thresholds, and macro trade-offs.
Read #OpenAccess on #JASSS: www.jasss.org/28/3/5.html
Read #OpenAccess on #JASSS: www.jasss.org/28/3/5.html
What happens when small task groups have multiple #leaders instead of one? New insights from #evolutionary #gametheory and #ABM reveal the trade-offs between clarity, #cooperation, and #status.
Watch the teaser by Prof. Hsuan-Wei Lee! youtu.be/Y_IR7iaKuKw
Watch the teaser by Prof. Hsuan-Wei Lee! youtu.be/Y_IR7iaKuKw
How Multiple Leadership and Flattened Status Structures Affect Cooperation in Task Groups
YouTube video by Jasss Journal
youtu.be
July 24, 2025 at 12:30 PM
What happens when small task groups have multiple #leaders instead of one? New insights from #evolutionary #gametheory and #ABM reveal the trade-offs between clarity, #cooperation, and #status.
Watch the teaser by Prof. Hsuan-Wei Lee! youtu.be/Y_IR7iaKuKw
Watch the teaser by Prof. Hsuan-Wei Lee! youtu.be/Y_IR7iaKuKw
How do #status #hierarchies shape #cooperation in task groups? Using #ABM and #evolutionary #gametheory, this study reveals that #multileader hierarchies can work—but less effectively than single-leader ones.
Read the full #OpenAccess article on #jasss: www.jasss.org/28/3/4.html
Read the full #OpenAccess article on #jasss: www.jasss.org/28/3/4.html
July 22, 2025 at 12:56 PM
How do #status #hierarchies shape #cooperation in task groups? Using #ABM and #evolutionary #gametheory, this study reveals that #multileader hierarchies can work—but less effectively than single-leader ones.
Read the full #OpenAccess article on #jasss: www.jasss.org/28/3/4.html
Read the full #OpenAccess article on #jasss: www.jasss.org/28/3/4.html
This #ABM extends the Hegselmann-Krause framework by adding #dynamic #socialidentity. Results show how #openmindedness and #identity granularity shape #polarization — revealing when diversity bridges divides or reinforces them.
Read #OpenAccess on #jasss: www.jasss.org/28/3/3.html
Read #OpenAccess on #jasss: www.jasss.org/28/3/3.html
July 14, 2025 at 10:05 AM
This #ABM extends the Hegselmann-Krause framework by adding #dynamic #socialidentity. Results show how #openmindedness and #identity granularity shape #polarization — revealing when diversity bridges divides or reinforces them.
Read #OpenAccess on #jasss: www.jasss.org/28/3/3.html
Read #OpenAccess on #jasss: www.jasss.org/28/3/3.html
Can #ChatGPT help design agent-based models? This pioneering study shows how #PromptEngineering and #CAISs can support fast, creative #SocialSimulation #modeling. A promising step for #AI in #ComputationalSocialScience.
Read #OpenAccess on #jasss: www.jasss.org/28/3/2.html
Read #OpenAccess on #jasss: www.jasss.org/28/3/2.html
July 7, 2025 at 3:52 PM
Can #ChatGPT help design agent-based models? This pioneering study shows how #PromptEngineering and #CAISs can support fast, creative #SocialSimulation #modeling. A promising step for #AI in #ComputationalSocialScience.
Read #OpenAccess on #jasss: www.jasss.org/28/3/2.html
Read #OpenAccess on #jasss: www.jasss.org/28/3/2.html