This essential Handbook makes underground, hidden, grey economies intelligible and consistently quantifiable. An invaluable tool for statistics producers and users and researchers, the book explains how the non-observed economy can be measured and comments on the reliability of and differences...

A majority of workers in the world are informally employed and contribute to economic and social development through market and non-market activities that are not protected, regulated, well-recognised or valued. This study provides an in-depth diagnosis of informality and the vulnerability...