Abstract: | A significant positive influence of both government size and domestic investment on economic growth is found in the long run during 1970–2006 for a sample of 19 emerging market economies, employing panel co-integration testing and estimating the parameters using dynamic ordinary least square method, for all the indicators, excepting the case when one chooses general government final consumption expenditure as a percentage of GDP a measure of government size and gross capital formation as a percentage of GDP a measure of domestic investment, with per capita GDP a proxy for economic growth. The findings corroborate the argument that diverse results of the earlier studies are due to different measures adopted. |