Understanding ICBT Definition and Magnitude  No universally accepted definition of the informal sector to start with  Many definitions: –unofficial, underground, hidden, invisible, shadow, parallel, second, unrecorded, black, moonlighting, unmeasured, unobserved economy,  Juakali and mamalishe are sub-components of informality  Schneider (2006) defines the informal economy as entailing a market-based production of legal goods and services that are deliberately concealed from public authorities and escape detection in official gross domestic product (GDP) statistics.
{}