The following statements describe why profits for firms in a perfectly competitive industry tend to vanish in the long run. Select the explanation that most accurately reflects this scenario? A) Firms try to increase supply to cover their costs if they experience losses, and this leads to zero profits.
B) Firms are unable to generate revenue over time because the demand for products drops.
C) When other perfectly competitive firms see an opportunity to earn profits and enter the market prices drop.
D) When other perfectly competitive firms see an opportunity to earn profits and enter the market, prices rise.

Ethics refers to fundamental principles of right and wrong; ethical behavior is behavior that is consistent with those principles. hrm decisions should be ethical, but the evidence suggests that is not always the case. many ethical issues in the workplace involve hrm. in the context of ethical human resource management, hr managers must view employees as having basic rights. in this activity, you will look at the four principles for ethical behavior and the basic rights employees should expect in the work environment. hr managers must view employees as having basic rights, for such a view reflects ethical principles embodied in the u.s. constitution and bill of rights. organizations often face situations in which the rights of employees are affected. ethical, successful companies act according to four principles: emphasizing mutual benefits, employees assuming responsibility for the actions of the company, companies having a sense of purpose or vision that employees value, and emphasizing fairness.