Which of the following does not belong to the principle of employee recruitment?

The principles of employee recruitment are: two-way selection principle, efficiency priority principle, development potential principle and on-demand recruitment principle, excluding economic principle.

The principle of employee recruitment can enable enterprises to recruit people who meet the needs of enterprises in time, and the number, quality and level of employed people can meet the requirements of enterprises, which can be highly matched with positions, with low turnover rate and improved work efficiency.