中文摘要：

现有研究大多针对在工作场所中音乐对消费者行为产生的影响，但缺乏探讨音乐对员工行为的影响。本文聚焦在音乐对一个决策群体中人们采取合作行为的影响。基于两个扩展20回合的公共产品实验的研究结果证明，快乐的音乐对人们采取合作行为会产生显著的正向影响，积极的情绪与合作行为之间也存在显著的正相关关系，且情绪在快乐的音乐与合作行为之间起到部分中介作用。

英文摘要：

Music as an environmental aspect of professional workplaces has been closely studied with respect to consumer behavior while sparse attention has been given to its relevance for employee behavior. In this article, we focus on the influence of music upon cooperative behavior within decision-making groups. Based on results from two extended 20-round public goods experiments, we find that happy music significantly and positively influences cooperative behavior. We also find a significant positive association between mood and cooperative behavior.Besides, we discover that the partial intermediary role of mood between happy music and cooperative behavior.