exists no long-run relationship between government expenditures and output in China." New Zealand: Study finds "support for Wagner's Law" in New Zealand. Greece and Portugal: Study finds mixed evidence. India: Study finds "strong evidence of Wagner's law" in India. Sri Lanka: "The long-run results showed no strong evidence in support of the validity of the Wagner's law for Sri Lankan economy." Iraq: "There is some evidence for the existence of Wagner's Law when income and several forms of expenditure are denoted in nominal terms. When expenditure in real terms is examined the chain of causality runs in the opposite direction." Notes References Economics laws Eponyms Fiscal policy National accounts Public finance Welfare state