LLM4AAMAS: Add fontana24arxiv

README.md

@@ -398,6 +398,17 @@ A simulation of the propagation processes in a social network.
   Lu, Jinzhu Mao, Jinghua Piao, Huandong Wang, Depeng Jin, Yong Li (2023)*
   Published on *arXiv* arXiv:2307.14984
 
+A study of LLMS as artificial social agents playing the iterated prisoner's
+dilemma which shows that prompt comprehension, memory representation, and
+duration of the simulation play crucial roles. LLMs are characterized by an
+initial trust in the opponent’s cooperation and a propensity towards
+cooperation.
+
+- **[Nicer Than Humans: How do Large Language Models Behave in the Prisoner's
+  Dilemma?](https://arxiv.org/abs/2406.13605)** Nicoló Fontana, Francesco
+  Pierri, Luca Maria Aiello (2024) Published on arXiv
+
+
 ### Generative MAS on the shelf
 
 - [MetaGPT](https://github.com/geekan/MetaGPT) is a framework for creating