The diversity with respect to national regulations, standardization and conformity certification procedures has a barrier-to-trade effect. Sometimes it discourages trade but it always means an increase of costs. Exporting enterprises are obliged to adapt their products to different requirements...

The principle of the free movement of goods, practised in the European Union, imposes a common set of laws to assure the free movement of goods on the internal market, in the same way as it is practised within the borders of a country.One of the most important instruments that ensures the free...