When I saw the chart below, it became clear to me why third party recruiters still have such a share,.... they spend more of their budget on assessing candidates and making sure the quality is there. As long as most of the budget of corporations is spent on sourcing (job boards, print,...), they can't claim the strategic relevance and role search firms have. To learn how companies improve quality of hire, read our white paper on it here.

More details on the Bersin research here.