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A comparative study of the role of imports and exports on service sector productivity in Ghana

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  • Effah Nyamekye, Gabriel

Abstract

In this paper the author examine the effect of imports, and exports on service sector productivity of Ghana for the period 1970-2013, using annual time series data. The Augmented Dickey-Fuller test (ADF), and the KwiatKowski (KPSS) test were used for the assessment of the effect of external shock on imports, exports, and service sector productivity whereas the ordinary least square method (OLS) was used to examine the role of import, and export on service sector productivity. The results indicate that the effect of external shock to imports, exports, and service sector productivity are permanent and not temporary. There is negative significant effect of export and positive effect of import on service sector productivity in Ghana during the period of discussion. The results suggest that policy makers can rely on import to influence service sector productivity and not export. Future studies should examine the effect of import of goods and services on the service sector productivity to determine whether the current findings will be replicated since the current study used export and import volumes.

Suggested Citation

  • Effah Nyamekye, Gabriel, 2015. "A comparative study of the role of imports and exports on service sector productivity in Ghana," MPRA Paper 72091, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:72091
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    References listed on IDEAS

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    Keywords

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    JEL classification:

    • F14 - International Economics - - Trade - - - Empirical Studies of Trade
    • L25 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Performance
    • L80 - Industrial Organization - - Industry Studies: Services - - - General

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