Answer:
(imperfect information, thin market)
Explanation:
Imperfect information is when a buyer or seller or both are not 100% sure about the quality of the products being sold or bought and in face of asymmetric information where the buyer or seller has information than the other.
Thin Market also known as a Narrow Market, in a specific period of time when there is a low amount of buyers and sellers in a market, or single stock. Prices tend to be unstable.