The gross domestic product (GDP) is the main aggregate measuring the economic activity. It is equal to the sum of the gross value added of all the resident institutional units engaged in production, a given year, recorded at market prices. It measures the new wealth created each year by the resident productive activities and allows international comparisons. The GDP is published at current prices and in volume at chained prices. Its change in volume measures the economic growth. Its price index measures the price evolution of its components. Main aggregates associated with GDP are the gross national income (GNI), the ... (full story)