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Author

Xianjia Wang

2 papers indexed here

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Sep 2026

Social bonds and helping dynamics promote cooperation in nested group populations.

Most studies on the evolution of cooperation focus on single-group settings, whereas real-world interactions often occur within nested group structures and are shaped by pre-existing social relationships. The coexistence of cross-level public-goods allocation, dynamically evolving social bonds, and heterogeneous helpin...

Ji Quan, Xin-Yue Huang, Xian-Jia Wang · 0 citations
Aug 2026

Do LLMs Keep Mental Accounts? Empirical Evidence from Hedonic Framing, Nonfungibility, and Sunk Cost Sensitivity

The results show that LLMs often mirror human-like mental accounting, including segregating gains and losses, treating nominally equivalent resources as non-fungible, and honoring sunk costs, although the strength and direction of these effects differ across models and conditions.

Zhen-Song Chen, Wei-Chen Jiao, Y. Tsang et al. · 0 citations

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