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Agrekon
Agricultural Economics Research, Policy and Practice in Southern Africa
Volume 36, 1997 - Issue 4
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Invited papers

TRADE LIBERALISATION AND THE ENVIRONMENT: THE CASE OF AGRICULTURE IN SOUTH AFRICA / HANDELSLIBERALISERING EN DIE OMGEWING TEN OPSIGTE VAN DIE SUID-AFRIKAANSE LANDBOU

Pages 407-433 | Published online: 04 May 2010
 

Abstract

An input-output framework with environmental accounting module was used to investigate the implications of liberalising agricultural trade on the environment in South Africa. The results showed that trade liberalisation in the case of agricultural commodities will lead to environmental improvement. The empirical multi-sector model results were consistent with theoretical results obtained from comparative-statics partial-equilibrium trade models for the case of goods the production of which is associated with environmental externality and their domestic prices above world prices. The study suggested a general equilibrium approach, allowing for more flexible structure of substitution in demand and supply, output composition response, income effects and improved measures of environmental impact parameters for proper assessment of welfare changes associated with environmental externalities.

'n Inset-uitset raamwerk met 'n omgewingsrekenkundige module is gebruik om die implikasies van die liberalisering van landbouhandel op die omgewing in Suid-Afrika te ondersoek. Die bevinding was dat die liberalisering van handel in landboukommoditeite 'n voordelige uitwerking op omgewingstoestande sou hê. Die resultate van die empiriese multi-sektormodel was in pas met die teoretiese bevindinge, wat deur vergelykend-statiese parsiële-ewewighandelsmodelle verkry is, en waartydens die produksie van goedere geassosieer is met omgewingseksternaliteite en plaaslike pryse hoër as wêreldpryse gekies is. Die studie het die gebruik van 'n algehele ewewigsbenadering aangedui, wat ruimte sou laat vir 'n buigbare struktuur van vraag- en aanbodsubstitusie, uitsetsamestellingsrespons, inkome-effekte en verbeterde maatreëls vir die meting van omgewingsimpakparameters, sodat die doeltreffende opname van welfaartsveranderings, geassosieer met omgewingseksternaliteite, verseker sou word.

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