Answer:
Black markets are markets that are not under the administration's control. Items sold in an underground market are regularly unlawful; for example, counterfeit DVDs, counterfeit brand items, and illicit medications. Bootleg trades frequently are eased by a lack of a product.
A price ceiling is utilized to constrain the cost of an item to profit customers when the harmony cost of an object is excessively high. The result is a deficiency of a topic, and the lack regularly causes black markets.