Browsing Working Papers (Economics) by Subject "Cointegration"

Browsing Working Papers (Economics) by Subject "Cointegration"

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  • Measuring the welfare cost of inflation in South Africa : a reconsideration 
    Gupta, Rangan; Uwilingiye, Josine (University of Pretoria, Department of Economics, 2008-06)
    In this paper, using the Fisher and Seater (1993) long-horizon approach, we estimate the long-run equilibrium relationship between money balance as a ratio of income and the Treasury bill rate for South Africa over the ...
  • Temporal causality between taxes and public expenditures : the case of South Africa 
    Gupta, Rangan; Ndahiriwe, Kasai (University of Pretoria, Department of Economics, 2007-07)
    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 ...
  • Testing the export-led growth hypothesis for Botswana : a causality analysis 
    Eita, Joel Hinaunye; Jordaan, Andre Cillie (University of Pretoria, Department of Economics, 2007-10)
    This paper investigates the causal relationship between export and economic growth for Botswana, using quarterly data for the period 1995.1-2005.4. It uses two measures of economic growth namely, GDP and GDP excluding ...
  • Time aggregation and the contradictions with causal relationships : can economic theory come to the rescue? 
    Gupta, Rangan; Komen, Kibii (University of Pretoria, Department of Economics, 2008-02)
    The literature on causality takes contradictory stands regarding the direction of causal relationships based on whether one uses temporally aggregated or systematically sampled data. Using the relationship between a ...
  • Time aggregation, long-run money demand and the welfare cost of inflation 
    Gupta, Rangan; Uwilingiye, Josine (University of Pretoria, Department of Economics, 2008-07)
    Two recent studies have found markedly different measures of the welfare cost of inflation in South Africa, obtained through the estimation of long-run money demand relationships using cointegration and long-horizon ...
  • Zimbabwe's black market for foreign exchange 
    Makochekanwa, Albert (University of Pretoria, Department of Economics, 2007-07)
    This paper looks into the changes of the black market premium for foreign exchange in Zimbabwe. Generally, the black market for foreign exchange arises as a direct consequence of the adoption of exchange rate controls ...