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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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  • 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.

Suggested Citation

  • Sylvanus Kwaku Afesorgbor & Peter A.G. van Bergeijk, 2014. "Measuring multi-membership in economic integration and its trade-impact. A comparative study of ECOWAS and SADC," Economics Working Papers 2014-06, Department of Economics and Business Economics, Aarhus University.
  • Handle: RePEc:aah:aarhec:2014-06
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    References listed on IDEAS

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    Cited by:

    1. Sylvanus Kwaku Afesorgbor, 2016. "Economic Diplomacy in Africa: The Impact of Regional Integration versus Bilateral Diplomacy on Bilateral Trade," Economics Working Papers 2016-09, Department of Economics and Business Economics, Aarhus University.
    2. Sylvanus Kwaku Afesorgbor & Kaleb Girma Abreha, 2015. "Preferential Market Access, Foreign Aid and Economic Development," Economics Working Papers 2015-04, Department of Economics and Business Economics, Aarhus University.

    More about this item

    Keywords

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

    JEL classification:

    • F1 - International Economics - - Trade
    • F15 - International Economics - - Trade - - - Economic Integration

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