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Measuring multi-membership in economic integration and its trade-impact. A comparative study of ECOWAS and SADC

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Author Info

  • Sylvanus Kwaku Afesorgbor

    ()
    (Department of Economics and Business, Aarhus University, Denmark)

  • Peter A.G. van Bergeijk

    (International Institute of Social Studies of Erasmus University, The Hague, Netherlands)

Abstract

One of intriguing aspects of African Regional Trade Agreements (RTAs) is the extent of multi-membership, where many Africa countries are members of more than one RTA. Using a gravity model for 25 countries and the years 1980-2006 we measure the extent of multi-membership and compare its impact in two major African Regional blocs, ECOWAS and SADC. We find that the impact of multi-membership critically depends on the characteristics of the multi-membership of regional integration initiatives. We find a positive impact if an additional membership complements the integration process of the original regional integration initiative: overlapping memberships had a much stronger and significant positive effect on bilateral trade within ECOWAS compare to an insignificant impact within SADC.

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Bibliographic Info

Paper provided by School of Economics and Management, University of Aarhus in its series Economics Working Papers with number 2014-06.

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Length: 20
Date of creation: 23 Jan 2014
Date of revision:
Handle: RePEc:aah:aarhec:2014-06

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Web page: http://www.econ.au.dk/afn/

Related research

Keywords: Multi-membership; Regional Economic Integration; Gravity Model; ECOWAS; SADC;

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  1. James E. Anderson & Eric van Wincoop, 2000. "Gravity with Gravitas: A Solution to the Border Puzzle," Boston College Working Papers in Economics 485, Boston College Department of Economics.
  2. Baier, Scott L. & Bergstrand, Jeffrey H., 2007. "Do free trade agreements actually increase members' international trade?," Journal of International Economics, Elsevier, vol. 71(1), pages 72-95, March.
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