Gross domestic product (GDP) measures total domestic economic activity and can be measured in three different ways: the output approach, the expenditure approach and the income approach.
Gross value added (GVA) measures the contribution made to an economy by one individual producer, industry, sector or region. The figure is used in the calculation of gross domestic product (GDP).
Labour productivity is the value a business adds in goods, services or both and is calculated by the hours or employees required to produce that value.