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

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

Can #AI safeguard a healthy #InfoEcosystem?

An #ABM simulation 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

How do you #model what can’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: www.jasss.org/29/1/3.html

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 moderate partisans.

Read the full #OpenAccess article in #JASSS: www.jasss.org/29/1/1.html

The first #JASSS issue of 2026 has been published!

Dive into new #SocialSimulation studies on #PublicPolicy, #Epidemiology, #SoilDegradation, and #OpinionDynamics.

Read the full #OpenAccess articles in Vol 29(1) here: www.jasss.org/29/1/content...

The #JASSS website just got a major upgrade! 🚀

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 what’s new! 💻 www.jasss.org/JASSS.html

On Monday 12th I was coming to terms with the fact that i was leaving twitter, but also listening to...

#MillieJackson - If Loving You Is Wrong I Don't Want to Be Right
#JASSS - Machine Food
#LouisArmstrong & His Hot Five - Fireworks

#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

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

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

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

Kindness Over Talent, by JASSS from the album Eager Buyers

Ce soir pour évaporer sa rage, le nouvel album de #JASSS : Eager Buyers.

JASSS - Kindness Over Talent (2025)

#np #electro #art #music #musique #dosedegras

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

@maryannehobbs.bsky.social
Sensational #6Mix by #Jasss damn!!!
The sort of music and mix that got me so excited on those Fridays at midday.
Perfection in my head's opinion!
Thank you.

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

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

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

It’s A Hole feat. james K and Alias Error, by JASSS from the album Eager Buyers

🇺🇦 #NowPlaying on #BBC6Music's #MaryAnneHobbs

JASSS, james K & Alias Error:
🎵 It's a hole

#6music #JASSS #jamesK #AliasError

▶️ 🪄 Automagic 🔊 show 📻 playlist on Spotify

▶️ Song/Cover on #Bandcamp:

It’s A Hole feat. james K and Alias Error, by JASSS from the album Eager Buyers

🇺🇦 #NowPlaying on #BBC6Music's #MaryAnneHobbs

JASSS, james K & Alias Error:
🎵 It's a hole

#6music #JASSS #jamesK #AliasError

▶️ 🪄 Automagic 🔊 show 📻 playlist on Spotify

▶️ Song/Cover on #Bandcamp:

It’s A Hole feat. james K and Alias Error, by JASSS from the album Eager Buyers

🇺🇦 #NowPlaying on #BBC6Music's #MaryAnneHobbs

JASSS, james K & Alias Error:
🎵 It's a hole

#6music #JASSS #jamesK #AliasError

▶️ 🪄 Automagic 🔊 show 📻 playlist on Spotify

▶️ Song/Cover on #Bandcamp:

It’s A Hole feat. james K and Alias Error, by JASSS from the album Eager Buyers

🇺🇦 #NowPlaying on #BBC6Music's #MaryAnneHobbs

JASSS, james K & Alias Error:
🎵 It's a hole

#6music #JASSS #jamesK #AliasError

▶️ 🪄 Automagic 🔊 show 📻 playlist on Spotify

▶️ Song/Cover on #Bandcamp:

Mary Anne Hobbs - The 6 Mix (incl. JASSS) - 21 November 2025 | BBC Radio 6 Music YouTube video by REAL CHILL MUSIC

Mary Anne Hobbs - The 6 Mix (incl. JASSS) - 21 November 2025 | BBC Radio 6 Music
#maryannehobbs #jasss #the6mix #bbc #bbcsounds #bbcradio6music #radio6 #radio6music #maryannehobbs2025 #electronica #realchillmusic
YouTube: youtu.be/lfY2C6GxvVc

Eager Buyers, by JASSS 7 track album

🇺🇦 #NowPlaying on #BBC6Music's #The6MixWithMaryAnneHobbs

JASSS:
🎵 Eager buyers

#6music #JASSS

▶️ Song/Cover on #Bandcamp:

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

It’s A Hole feat. james K and Alias Error, by JASSS from the album Eager Buyers

🇺🇦 #NowPlaying on #BBC6Music's #6MusicsForeverDark

JASSS, james K & Alias Error:
🎵 It's a hole

#6music #JASSS #jamesK #AliasError

▶️ Song/Cover on #Bandcamp:

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

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

Honored to receive the #Top5ReviewersAward from
@jasssjournal.bsky.social !

Grateful for the recognition and for the community that makes meaningful peer review possible!

🎥 A quick take on why it matters

#PeerReview #SocialSimulation #JASSS

Best Reviewer Award 2025 - Vittorio Nespeca YouTube video by Jasss Journal

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