This paper investigates the direction of causal relationship between taxes and expenditure in South Africa, using quarterly data for the period 1960:1-2006:2, and annual data for 1960 to 2005. For both frequencies, gross domestic product and government debt are included in the VAR system as control variables. For quarterly data the Johansen’s (1991, 1995) methodology suggest two cointegrating equations among the four variables. Our findings support the fiscal synchronisation hypothesis, since Granger causality tests in a Vector Error Correction framework suggests bi-directional causality between taxes and expenditure for the period under study. In contrast to the VECM for quarterly data, the VECM for annual data disprove any option of Granger causality between taxes and expenditure. The apparent ambiguity is indication of the fact that causality, among other factors, depends on the frequency of data.
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Paper provided by University of Pretoria, Department of Economics in its series Working Papers with number
200709.
Find related papers by JEL classification: C01 - Mathematical and Quantitative Methods - - General - - - Econometrics C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models H20 - Public Economics - - Taxation, Subsidies, and Revenue - - - General H50 - Public Economics - - National Government Expenditures and Related Policies - - - General
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