Diversity in human capital is widely seen as critical to creating holistic and high quality research, especially in areas that engage with diverse cultures, environments, and challenges. Quantifying diverse academic collaborations and its effect on research quality is lacking, especially at international scale and across different domains. Here, we present the first effort to measure the impact of geographic diversity in coauthorships on the citation of their papers across different academic domains. Our results unequivocally show that geographic coauthor diversity improves paper citation, but very long distance collaborations has variable impact. We also discover "well-trodden" collaboration circles that yield much less impact than similar travel distances. These relationships are observed to exist across different subject areas, but with varying strengths. These findings can help academics identify new opportunities from a diversity perspective, as well as inform funders on areas that require additional mobility support.

翻译：人们普遍认为,人力资本的多样性对于创造整体和高质量的研究至关重要,特别是在涉及不同文化、环境和挑战的领域。量化不同的学术合作及其对研究质量的影响是缺乏的,特别是在国际规模和不同领域。在这里,我们首先通过共同撰写不同学术领域的论文来衡量地域多样性的影响。我们的结果明确显示,地理共同作者的多样性可以改善文件引用,但非常长的远程合作具有不同的影响。我们还发现了“紧密的”协作圈,其影响远小于类似的旅行距离。观察到这些关系存在于不同的学科领域,但有不同的优势。这些发现有助于学者从多样性角度寻找新的机会,并向需要更多流动支持的领域提供资金。