Browsing Working Papers (Economics) by Title

Browsing Working Papers (Economics) by Title

Sort by: Order: Results:

  • Semiparametric stochastic frontier analysis of specialist surgeon clinics 
    Koch, Steven F.; Slabbert, Jean D. (University of Pretoria, Department of Economics, 2010-09)
    A purposive sample of South African specialist surgeons was used to nonparametrically estimate production relations for single output and multiple output production processes. The analysis was further extended to ...
  • Should the SARB have stayed time inconsistent? 
    Gupta, Rangan; Uwilingiye, Josine (University of Pretoria, Department of Economics, 2008-10)
    This paper derives the econometric restrictions imposed by the Barro and Gordon (1983) model of dynamic time inconsistency on a bivariate time-series model of Consumer Price Index (CPI) inflation and real Gross Domestic ...
  • Social ingredients and conditional convergence in the study of sectoral growth 
    Van Eyden, Renee; Ngoie, Jacques Kibambe; Du Toit, Charlotte Barbara (University of Pretoria, Department of Economics, 2009-12)
    In this research article, we investigate the improved modelling ability and the outstanding policy advocacy of infusing health and education in sectoral growth equations of the South African economy. Our findings not only ...
  • Some benefits of reducing inflation in South Africa 
    Gupta, Rangan; Uwilingiye, Josine (University of Pretoria, Department of Economics, 2009-07)
    This paper evaluates the welfare gain from reducing inflation permanently from two percent to price stability and compares the output cost associate with this transition. The paper emphasizes the distortions caused by the ...
  • South Africa trade liberalization and poverty in a dynamic microsimulation CGE model 
    Chitiga-Mabugu, Margaret; Mabugu, Ramos (University of Pretoria, Department of Economics, 2007-09)
    South Africa has undergone significant trade liberalization since the end of apartheid. Average protection has fallen while openness has increased. However, economic growth has been insufficient to make inroads into the ...
  • South African stock return predictability in the context of data mining : the role of financial variables and international stock returns 
    Gupta, Rangan; Modise, Mampho P. (University of Pretoria, Department of Economics, 2010-12)
    In this paper, we examine the predictive ability, both in-sample and the out-of-sample, for South African stock returns using a number of financial variables, based on monthly data with an in-sample period covering 1990:01 ...
  • South Africa’s wood export potential using a gravity model 
    Eita, Joel Hinaunye; Jordaan, Andre Cillie (University of Pretoria, Department of Economics, 2007-10)
    Under the Accelerated Shared Growth Initiative for South Africa (ASGISA), the South African government identified priority sectors that need to be promoted and developed in order to accelerate growth and reduce unemployment ...
  • Structural breaks and GARCH models of stock return volatility : the case of South Africa 
    Gupta, Rangan; Mwabutwa, Chance; Babikir, Ali; Owusu-Sekyere, Emmanuel (University of Pretoria, Department of Economics, 2010-12)
    This paper investigates the empirical relevance of structural breaks in forecasting stock return volatility using both in-sample and out-of-sample tests and daily returns for the Johannesburg Stock Exchange (JSE) All Share ...
  • Tax evasion and financial repression : a reconsideration using endogenous growth models 
    Gupta, Rangan; Ziramba, Emmanuel (University of Pretoria, Department of Economics, 2008-05)
    Using two dynamic monetary general equilibrium models characterized by endogenous growth, financial repression and endogenously determined tax evasion, we analyze whether financial repression can be explained by tax ...
  • Technical barriers to trade faced by South African SMME's 
    Peet, Michael Andrew; Koch, Steven F. (University of Pretoria, Department of Economics, 2005-12)
    South Africa is an open economy, and, therefore, it is affected by what happens in foreign markets. Exports and export growth are cornerstones of South African economic development policy. One of the implications of ...
  • Temporal causality between budget deficit and interest rate : the case of South Africa 
    Gupta, Rangan; Josine, Uwilingiye (University of Pretoria, Department of Economics, 2007-06)
    This paper investigates the direction of temporal causality between budget deficit and interest rate in South Africa using quarterly data for the period of 1961:02 to 2005:04, and also for annual data covering 1961 to ...
  • 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 for fractional integration in SADC real exchange rates 
    Gupta, Rangan; Van Eyden, Renee; Mokoena, Thabo Mishack (University of Pretoria, Department of Economics, 2008-06)
    This paper utilises “a class test for fractional integration” associated with the seminal contribution of Hinich and Chong (2007) to appraise the possibility that South African Development Community (SADC) real exchange ...
  • Testing for PPP using SADC real exchange rates 
    Gupta, Rangan; Van Eyden, Renee; Mokoena, Thabo Mishack (University of Pretoria, Department of Economics, 2008-06)
    This paper attempts to provide evidence indicating that the Purchasing Power Parity (PPP) puzzle is becoming less of a puzzle. It present the results of Augmented Dickey- Fuller (ADF) test, nonlinear tests of nonstationarity, ...
  • 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 ...
  • The time-series properties on housing prices : a case study of the Southern California market 
    Gupta, Rangan; Miller, Stephen M. (University of Pretoria, Department of Economics, 2009-02)
    We examine the time-series relationship between housing prices in eight Southern California metropolitan statistical areas (MSAs). First, we perform cointegration tests of the housing price indexes for the MSAs, finding ...
  • Tobacco substitution and the poor 
    Koch, Steven F.; Tshiswaka-Kashalala, Gauthier (University of Pretoria, Department of Economics, 2008-10)
    Tobacco control policies have effectively raised the price of cigarettes and other tobacco products. However, these price increases have been shown to disproportionately fall upon poorer households, with fewer resources. ...
  • The use of a Marshallian Macroeconomic Model for policy evaluation : case of South Africa 
    Ngoie, Jacques Kibambe; Zellner, Arnold (University of Pretoria, Department of Economics, 2010-06)
    Using a disaggregated Marshallian Macroeconomic Model (MMM-DA), this paper investigates how the adoption of a set of 'free market reforms' may affect the economic growth rate of South Africa. Accounting for possible side ...