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Research Article

Open Access to the Scientific Journal Literature: Situation 2009

  • Bo-Christer Björk,

    Affiliation: HANKEN School of Economics, Helsinki, Finland

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  • Patrik Welling,

    Affiliation: HANKEN School of Economics, Helsinki, Finland

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  • Mikael Laakso mail,

    mikael.laakso@hanken.fi

    Affiliation: HANKEN School of Economics, Helsinki, Finland

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  • Peter Majlender,

    Affiliation: HANKEN School of Economics, Helsinki, Finland

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  • Turid Hedlund,

    Affiliation: HANKEN School of Economics, Helsinki, Finland

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  • Guðni Guðnason

    Affiliation: Innovation Center Iceland, Reykjavik, Iceland

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  • Published: June 23, 2010
  • DOI: 10.1371/journal.pone.0011273
  • Published in PLOS ONE

Reader Comments (2)

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Timing of Open Access is Crucial

Posted by Stevan_Harnad on 28 Jun 2010 at 10:19 GMT

This is an excellent analysis, but of course what's also needed is the date at which an article was made OA, relative to the date it was accepted for publication. Research progress depends upon immediate access, yet some publishers embargo author self-archiving by 6-12 months or more. (63% of journals, including almost all the top journals, endorse immediate OA self-archiving by their authors; 37% do not.)

Timing data are difficult to collect, but future studies may be able to make estimates of this too. (Even without the timing data, however, the results from Professor Björk's group are very timely and useful.)

No competing interests declared.