The online-age practice of self-archiving has been shown to increase citation impact by a dramatic 50-250%, but so far only 15% of researchers are actually doing it. If a country invests R billion Euros in its research, this translates into the loss of 50% x 85% = 42.5% or close to R/2 billion Euros’ worth of potential citation impact simply for failing to self-archive it all. It is as if someone bought R billion Euros worth of batteries and lost 42.5% of their potential usage simply for failing to refrigerate them all before use. Europe is losing almost 50% of the potential return on its research investment until research funders and institutions mandate that all research findings must be made freely accessible to all would-be users, webwide.
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