Chan, Kam C.; Gup, Benton E.; Pan, Ming-Shiun - In: Journal of Business Finance & Accounting 24 (1997-07) 6, pp. 803-813
This study examines the relationships among stock prices in eighteen national stock markets by using unit root and cointegration tests for the period 1961--92. All the markets were analyzed individually and collectively in regions to test for market efficiency. The results from unit root tests...