Followers of the random walk hypothesis believe thata) security analysis is the best tool to utilize when investing in the stock market. b) the price movements of stocks are unpredictable, and therefore security analysis will not to predict future market behavior. c) that traders can earn higher than normal returns by exploiting market anomalies such as the small-firm effect. d) support levels and resistance lines, when combined with basic chart formations, yield both buy and sell signals.

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.