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Collaboration across the globe: Time zone differences and citations

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  • Manchin, Miriam

Abstract

This research examines how time zone differences among co-authors of peer-reviewed articles influence citations. The analysis reveals that articles with authors spanning wider time zones receive more citations, even after controlling for physical distance, the number of co-authors, the number of countries, time since publication, journal-specific factors, and in some specifications also co-author team specific factors with fixed effects. Specifically, a one-hour increase in the average time zone difference between authors is associated with a 4% increase in citations compared to the sample mean. The relationship exhibits an inverted U-shape, where a time zone difference of 5 to 6 h, which allows for sufficient overlap, yields the highest positive coefficient (about 15% increase in citations). Field specific results indicate that one potential mechanism through which time zone differences can improve publication outcome is by facilitating faster collaboration and accelerating research outcomes.

Suggested Citation

  • Manchin, Miriam, 2025. "Collaboration across the globe: Time zone differences and citations," Research Policy, Elsevier, vol. 54(8).
    • Handle: RePEc:eee:respol:v:54:y:2025:i:8:s0048733325001258
    DOI: 10.1016/j.respol.2025.105296
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    JEL classification:

    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O39 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Other
    • F69 - International Economics - - Economic Impacts of Globalization - - - Other

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