The Size of the Shadow Economies of 145 Countries all over the World: First Results over the Period 1999 to 2003 by Friedrich Schneider the book the study ShadEconomyWorld145_2006.pdf Using the DYMIMIC approach, estimates of the shadow economy in 145 developing, transition, developed OECD countries, South Pacific islands and still communist countries are presented. The average size of the shadow economy (in percent of official GDP) over 2002/2003 in developing countries is 39.1%, in transition countries 40.1%, in OECD countries 16.3%,...