In general, it is unfair to take advantage of different conditions when doing so violates some right or obligation. A response to this problem is O a prospectus is required for the issuance of securities because the buyers have a right to make an informed decision. O in cases of insider trading, the insider is usually violating a fiduciary duty to the corporation not to use confidential information for personal gain. laws that impose a "cooling-off" period during which a buyer can cancel a large purchase or loan may be justified on the ground that it is wrong to take advantage of people's impulsiveness or inexperience. o all of the above