Australia's Cash Economy: Are the estimates credible?
The method of "excess sensitivity" of Bajada (1999, 2001, 2002) indicates a large underground economy in Australia, with estimates of unrecorded income around 15 per cent of official GDP. These estimates concern policymakers, especially those agencies responsible for national accounts, tax collection, economic stabilization and law enforcement. We show that the method exhibits a severe form of non-robustness, in which the results change markedly with a simple change in the units of measurement of the variables. There is a separate problem in which a key parameter is set to an unrealistic value that makes the estimates many times too high.
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- Rolf Mirus & Roger S. Smith & Vladimir Karoleff, 1994. "Canada's Underground Economy Revisited: Update and Critique," Canadian Public Policy, University of Toronto Press, vol. 20(3), pages 235-252, September.
- Bajada, Christopher, 1999. "Estimates of the Underground Economy in Australia," The Economic Record, The Economic Society of Australia, vol. 75(231), pages 369-84, December.
- Dominik H. Enste & Friedrich Schneider, 2000. "Shadow Economies: Size, Causes, and Consequences," Journal of Economic Literature, American Economic Association, vol. 38(1), pages 77-114, March.
- Christopher Bajada, 2003. "Business Cycle Properties of the Legitimate and Underground Economy in Australia," The Economic Record, The Economic Society of Australia, vol. 79(247), pages 397-411, December.
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