Ethics applied to human resource management is typically thought to boil down to treating subordinates well. Kant’s categorical imperative, treat other rational beings not just as means, but also as ends in themselves, applies to this sense of ethical HR management. Specifically, human beings are not only cogs in a machine; they have lives outside of work that should not be expected to reduce to serving the interests of the employer. Another side of HR management also exists, however, that concerns the handling of unethical employees. Such handling can be ethical or unethical.
The full essay is at "Ethical HR Management."