The economy of Ireland is a modern knowledge economy, focusing on services and high-tech industries and dependent on trade, industry and investment. In terms of GDP per capita, Ireland is ranked as one of the wealthiest countries in the OECD and the EU-27 at 5th in the OECD-28 rankings as of 2008. In terms of GNP per capita, a better measure of national income, Ireland ranks below the OECD average, despite significant growth in recent years, at 10th in the OECD-28 rankings. GDP (national output) is significantly greater than GNP (national income) due to the repatriation of profits and royalty payments by multinational firms based in Ireland.