so this is the biblatex code I currently use.

However, I want to only have authors' first name initials, whenever these are really needed. With needed I mean two or more references would be identical, if there were not the first author's first name initial.

  useprefix=true, % for inclusion of 'de' 'da' in surname,


Currently I get also initials for A. Smith (1776) and P. Smith (2019) which is not allowed in the citation style I have to use.

In my references.bib I have 3 people called Li. But only 2 need initials as Li et al. (2017) is identical without the initial (or naming one Li et al. (2017b) and the other (2017b), which I do not want). But Li et al. 2015 does not need a first name initial.

    title = {{Impacts of renewables and socioeconomic factors on electric vehicle demands – Panel data studies across 14 countries}},
    year = {2017},
    journal = {Energy Policy},
    author = {Li, Xiaomin and Chen, Pu and Wang, Xingwu},
    month = {10},
    pages = {473--478},
    volume = {109},
    publisher = {Elsevier},
    issn = {0301-4215}

    title = {{The Market for Electric Vehicles: Indirect Network Effects and Policy Design}},
    year = {2017},
    journal = {Journal of the Association of Environmental and Resource Economists},
    author = {Li, Shanjun and Tong, Lang and Xing, Jianwei and Zhou, Yiyi},
    number = {1},
    month = {3},
    pages = {89--133},
    volume = {4},
    doi = {10.1086/689702},
    issn = {2333-5955},
    keywords = {A04, Electric Vehicles, Electric vehicles, Indirect Network Effects, Indirect network effects, Policy Design, Policy design, Q03, R05}

    title = {{Policies and Business Models for the Electric Mobility Revolution}},
    year = {2015},
    journal = {The Singapore Economic Review},
    author = {LI, YANFEI and KOCHHAN, ROBERT},
    number = {0},
    pages = {1550109},
    volume = {0},
    url = {http://www.worldscientific.com/doi/abs/10.1142/S021759081550109X},
    doi = {10.1142/S021759081550109X},
    issn = {0217-5908},
    keywords = {arf, battery cost, battery electric vehicles, bev, jel classification, n70, policy, q42, r48, singapore, supportive, tco, total cost of ownership}

This is basically the same as this 5-year-old question but I don't see why I cannot seem to fix this. biblatex: Name disambiguation only for FIRST author I use overleaf so I guess I have the newest versions.

Any help very much appreciated!

  • Hello there! This is Tom from the Overleaf Support Team. Please note that I removed the overleaf tag as this is not directly Overleaf-related. Also, note that Overleaf is not running the very latest versions of packages; currently we run TeX Live 2020 with biblatex v.3.16. I hope you manage to solve the issue!
    – yo'
    Aug 6, 2021 at 13:13
  • Hey thanks, can you tell me how to find Version in overleaf? Thanks Aug 6, 2021 at 14:02
  • Hi, you can find them in the logs sometimes. If that's not the case, you can add \listfiles as the first command in your main document. Then, near the end of the log file, there will be a list of all loaded files including short descriptions and version information. (That's really how I got the version number, simply \listfiles \documentclass{article} \usepackage{biblatex} \begin{document} Hello, world! \end{document} and then check the logs.)
    – yo'
    Aug 9, 2021 at 12:42


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