Measuring a Nation's Income

These flashcards cover key concepts from the lecture on measuring a nation’s income, focusing on the relationships between income and expenditure, components of GDP, and methods of calculation.

Income equals Expenditure

The economy's income is equal to its expenditure, indicating that money flows continuously among households and firms.

Circular-flow diagram

A model that shows the transactions between households and firms, depicting how goods and services are exchanged for money.

Expenditure

The total spending by households on goods and services which is also the income for firms.

GDP

Gross Domestic Product, a measure of the total income produced within a country in a given year.

Real GDP

The measure of GDP that accounts for changes in price or inflation, representing the value of goods and services at constant prices.

Nominal GDP

The measure of GDP that includes the current market prices of goods and services, without adjusting for inflation.

Transfer payments

Government payments to individuals that are not made in exchange for goods or services, such as Social Security.

Net Exports (NX)

The value of a country's total exports minus the value of its total imports; it can indicate a trade surplus or deficit.

Consumption (C)

Spending by households on goods and services, which is the largest component of GDP.

Investment (I)

Spending on capital goods that will be used for future production, including business investments and residential housing.

Government Purchases (G)

Expenditures by government on goods and services that contribute to GDP, excluding transfer payments.

Statistical discrepancy

The difference between the GDP calculated by the expenditure approach and the GDP calculated by the income approach; reflects data collection imperfections.

Value Added

The value a firm adds to goods and services at each stage of production; also a method of calculating GDP.

Hoarding

The act of saving money without investing it, seen as irrational since it does not facilitate future spending.

Disposable Personal Income

The income that households have available for spending and saving after taxes.

Income Approach to GDP

A method of calculating GDP by adding up all incomes earned in the production of goods and services, including wages, rents, and profits.

GDP deflator

A measure that compares nominal GDP to real GDP and reflects the level of prices in the economy; used to adjust for inflation.