What is not the defect of external recruitment?

New employees will bring different values and new ideas, new concepts and new methods, which are not the defects of external recruitment. The defects of external recruitment are difficult screening, high recruitment cost and high decision-making risk. Because of asymmetric information, it is often difficult and costly to screen, and it is easy to be deceived by the superficial phenomenon, education and qualifications of candidates, and it is impossible to clearly understand their true abilities.