One sixth of Poland’s GDP is generated in the shadow economy. Informal economic activity is the result of excessive state regulation, weaker economic situation in some industries and low tax morale.
According to Baltic News Network, Lithuanian government plans to have EUR200m of revenues from the shadow economy
The GDP of Montenegro in the Q2’18 grew 4.9 per cent y/y, following a 4.5 per cent growth in the previous period. It was the strongest pace of expansion since the three months to June of 2017.
In 2015, the Serbian government adopted the National Program for Suppression of the Shadow Economy, which may be one of the largest in Europe.