GDP: Gross Domestic Productan estimate of the total value of all materials, foodstuffs, goods, and services produced within the borders of a country in a particular year. GDP measures what is produced within the borders of a country regardless of ownership. In this case, the American Ford Motor Company auto-assembly plant in Mexico contributes to the Mexican GDP.
companies that participate not only in international trade but also in production, manufacturing, and/or sales operations in several countries.
That individual corporations dwarf the national economies in which they operate made GNP problematic. That's why they changed their measure to GDP.
Redefining Progress: Projects: Genuine Progress Indicator
GENUINE PROGRESS INDICATOR. ... In 1995, Redefining Progress created a more accurate measure of progress, called the Genuine Progress Indicator (GPI).