Given the task definition and input, reply with output. In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

A gap in this quantity is related with unemployment in Okun's law, and cost-push inflation is characterized by a decrease in this value. It differs from its counterpart in that it does not account for investments by foreigners nor investments held by natives in [*] other countries. Calculated using the income or expenditure approach, this value is defined as the sum of private consumption, gross investment, government spending and net exports. A decrease in it for two consecutive quarters is known as a recession. Also known as aggregate demand, for 10 points, identify this quantity that is equal to the net goods and services produced in a country.

Social Science