A separate GDP is calculated for mainland Norway — GDP Mainland, which measures a change in the value of all goods and services produced domestically (domestic principle), with the exception of petroleum products and logistics. Prices are adjusted for inflation. Norwegian GDP is calculated using three approaches: from production perspective, in terms of revenues received and in terms of expenditures incurred.
GDP is the main measure of the country's economy strength. The indicator often has a strong impact on market movements. GDP growth is an indication of the country's economic and financial system stability and therefore it can be seen as positive for NOK quotes.