An employee who is paid higher than her peers is more productive because she realizes that she would likely suffer a decline in salary if she were to leave her position. Which of the following best describes why her situation could cause wage stickiness?
1) The employee's higher salary creates a sense of job security, making her more likely to stay in her position.
2) The employee's higher salary motivates her to work harder and be more productive.
3) The employee's higher salary attracts more talented individuals to the company, increasing overall productivity.
4) The employee's higher salary creates a competitive environment among peers, leading to increased productivity.