What do economists use to calculate GDP under the income approach? Multiple choice question. National income Exports minus imports Government spending Personal consumptionA country's exports are included in GDP when the goods and services are Blank______. Multiple choice question. produced outside the borders of said country available for purchase by citizens of the producing nation produced within the borders of said country available for purchase by citizens of all countries, including the producing nation Need help? Review these concept resources.A country's exports are included in GDP when the goods and services are Blank______. Multiple choice question. produced outside the borders of said country available for purchase by citizens of the producing nation produced within the borders of said country available for purchase by citizens of all countries, including the producing nation Need help? Review these concept resources