Unofficial, and usually illegal, system of providing people with more then their share of goods and services where their prices are controlled, is called

Unofficial, and usually illegal, system of providing people with more then their share of goods and services where their prices are controlled, is called black market. The black market is distinct from the grey market, in which commodities are distributed through channels that, while legal, are unofficial, unauthorized, or unintended by the original manufacturer, and the white market, in which trade is legal and official.