Explanation:

The economic territory of a country consists of the geographic territory administered by a government; within this territory, persons, goods, and capital circulate freely.
Economic territory include islands that belong to the country and are subject to the same fiscal and monetary authorities as a mainland; goods and persons move freely to and from the mainland and the islands without any customs or migration formalities. The economic territory of a country includes the airspace, territorial waters, and continental shelf lying in international waters over which the country enjoys exclusive rights or over which it has, or claims to have, jurisdiction in respect of the right to fish or to exploit to fuel or minerals below the sea bed.