One of the objectives of the Treaty on European Union is to maintain an economic union, whose characteristics are similar to those of a domestic market, within which there is healthy competition.
Euroopa Liidu lepingu üheks eesmärkidest on majandusliidu säilitamine, mille tunnusjooned sarnaneksid liikmesriikide siseturgude omadega, mille raames valitseb aus konkurents.