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Wagner's law

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Wagner's law

Wagner's law, also known as the law of increasing state spending, is a principle named after the German economist Adolph Wagner (1835–1917).[1] He first observed it for his own country and then for other countries. For any country the public expenditure rises constantly. It shows an upward sloping trend. The law predicts that the development of an industrial economy will be accompanied by an increased share of public expenditure in gross national product:

Wagner's law suggests that a welfare state evolves from free market capitalism due to the population voting for ever-increasing social services. Neo-Keynesians and socialists often urge governments to emulate modern welfare states like Sweden. In spite of some ambiguity, Wagner's statement in formal terms has been interpreted by Richard Musgrave as follows:

Graph showing kink in increasing public expenditure in the "Peacock–Wiseman hypothesis".[2]

The Peacock–Wiseman hypothesis

As per the study on public expenditure for the period 1891-1955[3] in U.K. conducted by Peacock and Wiseman based on Wagner’s Law, it was found to be still applicable.

It was further stated that

  • there has been considerable increase in revenue to the governments due to the economic developments over the years, thereby leading to a boost in public expenditure;
  • the government simply cannot ignore the demands that people make regarding various services, especially when there is an increase in revenue collection at a constant rate of taxation;
  • during times of war tax rates are increased by the government to generate more funds to meet the increase in defense expenditure. This is known as the displacement effect.[4] Such 'displacement effect' is created when the earlier lower tax and expenditure levels are displaced by new and higher budgetary levels. But it remains the same even after the war as people become habituated to it. Such an increase in revenue therefore gives rise to government expenditure.[5]

References

  1. ^ "PUBLIC EXPENDITURE: THEORIES AND GROWTH". Retrieved 9 December 2011. 
  2. ^ Singh, S.K (2008). Public Finance in Theory and Practice. S.Chand. p. 35.  
  3. ^ "The Peacock-Wiseman Hypothesis". Retrieved 9 December 2011. 
  4. ^ "Displacement Effect Hypothesis of Peacock and Wiseman". Retrieved 9 December 2011. 
  5. ^ "The Peacock-Wiseman Hypothesis". Retrieved 9 December 2011. 
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