Vuletin, Guillermo creator text Washington]US IMF 2008 monographic 29 p. Finds that a stringent tax system and regulatory environment, higher inflation and dominance of the agricultural sector are key factors in determining the size of the informal economy. Notes that results confirm that a higher degree of informality reduces labour unionization, the number of contributors to social security schemes, and enrolment rates in education. 10/16/08 JOYD 08.02.02 V991 20260716043919.0