Original Articles

• Implementing Petty Favor in Facilitating Rich-Poor Resource Exchange Petty favor and rich-poor resource exchange

  Jiayu Chen, Tasuku Igarashi

  1-7

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• Cooperators Pay More Attention to the Outcome of Mutual Cooperation in the One-Shot Prisoner’s Dilemma Game: Empirical Evidence From an Eye-Tracking Study

  Kaede Maeda, Hirofumi Hashimoto, Shigehito Tanida

  8-12

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• Parochial Empathy Occurs Regardless of Causal Attribution

  Ran Kawai, Yuta Kawamura

  13-17

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