Before diving into the formulas, it is crucial to understand the building blocks:
Final goods (e.g., a car for a consumer) are used for consumption or investment. Intermediate goods (e.g., steel for a car) are used for further production within the same year.
This includes the political boundaries of a country, including its territorial waters, embassies, and consulates located abroad.
The difference between factor income earned by residents from the rest of the world and factor income paid to non-residents within the domestic territory. The Eight Related Aggregates
A person or institution who normally resides in a country for more than one year and whose "centre of economic interest" lies in that country.