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Prof 

Greyling, Lorraine

Department: Economics
Research Interest(s): Macroeconomics, Macroeconometrics, Quantitative analysis and applied econometrics, Development policy, Economics history.
Biography: Professor Greyling is the Dean of Faculty of Commerce, Administration and Law and professor of Economics at the University of Zululand (UNIZULU) in South Africa. She did her PhD in Economics in 1988 on “An Inflation Model for South Africa” and has been involved with a policy document on inflation targeting or the South African Reserve Bank and Government, based on her findings. Her research activities and main publications are focused on applied economics and policy issues and she has nineteen accredited articles (national and International) with a focus on business cycle analysis, the prediction of nonlinear models, the application of CGE modeling for policy analysis and recently a number of articles on asset poverty, economic teaching pedagogy and economic history of South Africa. She has successfully supervised twelve doctoral and about 80 Masters’ candidates, read 40 papers at international conferences and 55 papers at national conferences and is involved with research projects leading to policy recommendations. She has published five text books and is a co-author of an Economics text book prescribed for about 4500 first year Economic students. Prof Greyling was the selected Head of Department of Economics and Econometrics at UJ and was actively involved in UJ Management through several committees and decision-making forums for 37 years. She joined the University of Zululand in 2017 and was appointed as Dean in 2019. She is the chair of the Institutional Forum and is a member of Council of the University of Zululand.

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  • PublicationJournal Article
    2021
     | Taylor & Francis
    The relationship between trade and industrial performance has received a great deal of empirical attention over the past three decades. Much of this empirical attention has however focused on productivity, employment, and output growth oblivious of profit effects – the primary motive for manufacturers. Different from this literature, this paper contributes to the existing body of knowledge by testing the hypothesis that trade affects profit efficiency of manufacturing industries through its effect on technical and allocative efficiency. Using a panel stochastic frontier model based on 28 South African manufacturing industries observed between 1970 and 2016, evidence confirms a strong positive effect of export intensity on profit efficiency that operates mainly through technical efficiency. Import penetration appears to have improved allocative efficiency without having a discernible effect on profit efficiency. The former result lends empirical support to the long-standing view that outward-oriented policies have the potential to enhance industrial profit maximization while the latter result suggests that inward-oriented polices at worst promote suboptimal input allocation.
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