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@@ -416,6 +416,17 @@ 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
 
+This paper assesses the economic rationality of GPT's decisions across four
+domains: risk, time, social, and food preferences. The experiments reveal that
+GPT's decisions exhibit greater rationality than those of humans. This
+rationality remains robust across demographic factors such as age and sex but is
+influenced by the linguistic framing of choice situations.
+
+- **[The Emergence of Economic Rationality of
+  GPT](https://www.pnas.org/doi/abs/10.1073/pnas.2316205120)** Yiting Chen,
+  Tracy Xiao Liu, You Shan, Songfa Zhong (2023) *Published in Proceedings of the
+  National Academy of Sciences (PNAS)*
+
 This paper is a systematic analysis of the capabilities boundaries of LLMs in
 social science. The authors select 3 classical games : dictator game,
 Rock-Paper-Scissors and ring network game. They conclude that LLMs struggle to
@@ -438,7 +449,6 @@ occur, chatbots tend to be more cooperative and altruistic, displaying higher
 levels of trust, generosity, and reciprocity. They behave as if they prioritize
 maximizing the total payoff of both players rather than solely their own gain.
 
-
 - **[A Turing test of whether AI chatbots are behaviorally similar to
   humans](https://doi.org/10.1073/pnas.2313925121)** Qiaozhu Mei, Yutong Xie,
   Walter Yuan, Matthew O. Jackson (2024) in Proceedings of the National Academy