Trade Effects of Regional Integration in Imperfect Competition: Evidence from the Greater Arab Free Trade Area (GAFTA)

Nicolas Peridy () and Javad Abedini

International Economic Journal, 2014, vol. 28, issue 2, 273-292

Abstract: This article aims to provide new insights into trade effects of the Greater Arab Free Trade Area (GAFTA), using an imperfect competition framework. The model combines the new gravity model approach with supply-demand export equations in imperfect competition. In this regard, the role of scale economies, product varieties and expectations is explored. Facing the lack of international data on scale economies, we also develop a translog production system which makes it possible to obtain reliable estimates of this factor. For a more rigorous treatment of the endogeneity problem in the model, we make use of an instrumental GMM panel estimator. Results show limited effects of GAFTA on regional trade in imperfect competition, due to market segmentation and the predominance of inter-industry trade. In addition, the fitted intra-GAFTA trade values are far beyond the actual ones. This suggests that GAFTA countries could benefit from deeper regional trade integration. In this regard, the Arab Spring creates new opportunities to reinforce trade integration as a means of grasping additional trade gains in this area.

Date: 2014
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DOI: 10.1080/10168737.2013.825306

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