FOREIGN EXCHANGE MARKET EFFICIENCY IN BOTSWANA

Gofaone Matebejana, Gaotlhobogwe Motlaleng () and James Juana
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Gaotlhobogwe Motlaleng: Department of Economics, University of Botswana, P/Bag UB 705, Gaborone Botswana

Review of Economic and Business Studies, 2017, issue 19, 55-74

Abstract: The random walk behaviour of exchange rates in Botswana’s foreign exchange market is explored by employing unit root tests. The unit root tests employed include the ADF, PP and the KPSS. This paper uses monthly data for the period 2000:01 to 2015:12. The conclusive evidence based on the unit roots tests indicates that the behaviour of the Pula against the South African Rand, Japanese Yen and the American Dollar exchange rates is consistent with the random walk process and the weak form efficiency market hypothesis. However, the Pula against the British Pound is inconsistent with the weak form efficiency market hypothesis. These results compliment those from Namibia (Mabakeng and Sheefeni, 2014). Furthermore, there is no evidence of the semi-strong form level of efficiency as revealed by the cointegration results obtained. These results corroborates with those found by Wickremasinghe (2008) and Çiçek (2014) in which weak form was found to exist whilst the semi-strong form was found not to exist. This paper has filled an important gap as it is the first study to investigate the efficiency of the foreign exchange market in Botswana.

Keywords: Botswana; Foreign exchange market; Efficiency market hypothesis; Weak form efficiency (search for similar items in EconPapers)
JEL-codes: F30 F31 G14 (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (2)

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