This value can be found by adding up either a country's expenditures or its total population's income.
Hauser's law states that federal tax revenues stay around a constant percentage of this value. A three percent rise in this value will cause a one percent fall in unemployment according to Okun's law. This quantity's namesake deflator is calculated by dividing the nominal value of this quantity by its real value. For a European country to join the Eurozone, its national debt must be less than sixty percent of this value. This value can be found by adding up either a country's expenditures or its total population's income. A percent change in this value is used to measure economic growth. For 10 points, name this market value of all final goods and services produced within a country
Hauser's law states that federal tax revenues stay around a constant percentage of this value.
gross domestic product [or GDP; prompt on "net economic output" or "net national economic output"; do not prompt on or accept "gross national product" or "GNP"]