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A hybrid joint moment ratio test for financial time series
Groenendijk, Patrick A., (1998)
A variance ratio test of random walks in exchange rates : evidence from Pacific Basin economies
Ajayi, Richard A., (1996)
The determinanants of bid-ask spread in the Guyanese FX market
Khemraj, Tarron, (2014)
International financial management
Somanath, V. S., (2011)
Efficient exchange rate forecasts : lagged models better than the random walk
Somanath, V. S., (1986)
Efficient exchange rate forecasts: Lagged models better than the random walk