1. Ahmed S.: Does money affect output?, Bus. Rev. (Federal Reserve Bank of Philadelphia) July/August, 13–8 (1993)
2. Atukeren E. (2005). Measuring the strength of cointegration and granger-causality. Appl. Econ. 37: 1607–614
3. Bishop R.V. (1979). The Construction and use of causality tests. Agric. Econ. Res. 31: 1–
4. Brittan S. (1998). Causation in economic affairs. Hume Pap. Public Policy 6(4): 81–5
5. Dee, P.: Quantitative modelling at the productivity commission, Productivity Commission (Australian Government), Melbourne. Accessed on March 15, 2006 at: http://www.pc.gov.au/research/consultancy/quantitativemodelling/quantitativemodelling.pdf (2005)