English
Español
中文
हिन्दी
FrançaisUnofficial or underground sector of economic activity beyond government regulation and taxation, to include street vendors, some domestic servants, and unskilled workers in urban areas.
Source: Library of Congress
Glossary
New website. A refreshed site, new account portal, more games, lessons, and AP guides. See what's new →
Glossary
Unofficial or underground sector of economic activity beyond government regulation and taxation, to include street vendors, some domestic servants, and unskilled workers in urban areas.
Source: Library of Congress