There is a gender bias in the publishing industry. Women’s writing often gets talked about differently,
reviewed differently (if at all), and the content judged differently
than writing by men. Of course, publishing is only one industry in which
unconscious bias about names based on gender or race exists, and there have been studies done to explore this
in other industries. In the case of publishing, a female novelist by
the name of Catherine Nichols decided to try an experiment.
FOR THE WHOLE ARTICLE: http://www.themarysue.com/female-novelist-male-nom-de-plume/