There is no reason to believe that ad hoc attempts to repair market failures—like determining shadow prices for unpriced social goods, or by exempting social goods from the market, or by use of the law to address social goods that are unattainable through individual choice—are socially inadequate.

The advantage of administering personality tests on employees is that it will allow the employer to know the mindset and personality of the employee. this will allow the employer to at least have an idea as to how the employee works and how his attitude in the workplace. the disadvantage is that it may make the employee a little anxious as to whether he would meet the personality requirements of the employer and whether he would be able to retain the job or not.