Which of the Following Is NOT an Example of a Solution

Multiple Choice

Which of the following is NOT an example of a solution to an adverse selection problem caused by the seller's having private information?

A) A list of award winners and top-tier producers is published by the organization of experts that judges an annual chocolate bar quality competition.
B) A hairstylist offers a free brief follow-up appointment within a week of a haircut to adjust anything the customer does not like about a cut.
C) A government requires miles-per-gallon labeling on all automobiles sold in the country.
D) A company makes sure that all its employees enter positive product reviews on an online website that reports product reviews.