Wagner's Law states that the share of government expenditure in Gross National Product (GNP) will increase with economic development; many associated empirical studies substitute GNP with Gross Domestic Product (GDP). This article presents an empirical investigation into the validity of Wagner's...

This article presents the details of an investigation into the relationship between investment and savings in Australia over the period 1960 to 2007. Using five time series techniques our results reveal that the Feldstein--Horioka puzzle exists in a weak form, with a lower saving retention...