This measure more accurately reflects economic activity within the domestic economy than standard measures such as GDP and GNP.
6 Central Bank of Ireland: Quarterly Bulletin 1 (2019) 7 Conefrey, T, O’Reilly, G and Walsh, G: ‘ The Macroeconomic Implications of a Disorderly Brexit’, Central Bank of  Ireland, Box B Quarterly Bulletin No.1 (2019) 8 Central Bank of Ireland: Explainer – What does overheating in the economy mean? 9 Underlying investment refers to overall investment excluding intangible assets and aircraft.