Open access: The problem with making all academic research free

"However, there is no such thing as a free academic article. Even with digital distribution, the expenses of running a journal are considerable. These costs include hosting the websites where people submit, peer-review, and edit articles; copyediting; advertising; preserving journal archives; and maintaining continuity as editors come and go.

As a result, unless journals have a source of revenue other than subscription fees, any move toward open access raises the question of who will cover the costs of publication.

One answer is that the money will come from authors themselves or their academic institutions or other backers. This works well enough in the natural sciences, because those researchers are often funded by grants, and some of that money can be set aside to cover a journal’s fees for publishing scientific articles. The Bill and Melinda Gates Foundation demands that all research funded by the foundation, including the underlying data, be published open access...."