VARIANCE RATIO TESTS OF THE RANDOM WALK HYPOTHESIS FOR SOUTH AFRICAN STOCK FUTURES
The hypothesis that stock futures follow a random walk is tested for four stock index futures and a sample of 36 single stock futures traded on the JSE Securities Exchange, South Africa, using joint variance ratio tests based on "(i)" ranks and signs and "(ii)" wild bootstrapping. Overall, there is a high degree of weak-form efficiency: all four stock index futures and twenty-five of the sample of 36 single stock futures follow a random walk. Copyright (c) 2006 The Authors. Journal compilation (c) 2006 Economic Society of South Africa.
Year of publication: |
2006
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Authors: | Smith, Graham ; Rogers, Gillian |
Published in: |
South African Journal of Economics. - Economic Society of South Africa - ESSA, ISSN 0038-2280. - Vol. 74.2006, 3, p. 410-421
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Publisher: |
Economic Society of South Africa - ESSA |
Saved in:
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