In this paper, the main focus lies on the informal economy and on work in the shadow. The most influential factors on the informal economy are tax policies and state regulation. The size of the informal economy was decreasing over the period 1999 to 2007, from 34.0% to 31.2% for 161 countries...

To explain the shadow economy in the Baltic states of Estonia, Lithuania and Latvia, this paper evaluates the relationship between the shadow economy and tax morale. Viewing tax morale as a measure of the symmetry between the codified laws and regulations of formal institutions (state morality)...

In this paper the main focus lies on the shadow economy and on work in the shadow. The most influential factors on the shadow economy are tax policies and state regulation. The size of the shadow economy was decreasing over 1999 to 2007 from 34.0% to 31.2% for 161 countries (unweighted average)....

To evaluate the prevalence in Eastern Europe of a little discussed illegitimate wage practice in which employers pay their formal employees both a declared wage and an undeclared ‘envelope wage’, an extensive survey involving 10,671 face-to-face interviews in eleven post-socialist societies...