Exploring the underground economy studies of illegal and unreported activity ; Pozo, Susan - Michigan W.E. Upjohn Institute for Employement Research 1996 - [5],172p. ill. 23 cm. ISBN: 0880991658 Subjects--Topical Terms: Informal sector (Economics)-Taxation- United States-CongressesInformal sector (Economics)-United States- CongressesTax evasion-United States-Congresses Dewey Class. No.: 330 / EXP