KYIV, Aug 23 - The level of shadow economy in Ukraine in the first quarter of 2018 decreased by 4 percentage points compared to the same period in 2017, to 33% of GDP, according to a report on general trends in the shadow economy, published by the Ministry of Economic Development and Trade in Ukraine.

"All the methods used to assess the level of shadow economy showed a reduction in the level compared with the first quarter of 2017," the document says.