Financial Integration and Market Efficiency: Some International Evidence from Cointegration Tests

Abstract

This study investigates whether the globalization of financial markets enhances the efficiency of national stock markets. To this end, we have developed a dynamic representation of cointegration which is consistent with hypothesis that stock prices reflect the efficient discounting of new information on market fundamentals and testes for market efficiency in five industrialized markets (the United States, Canada, Japan, the United Kingdom, and Germany) over the last two decades. Our empirical analysis indicates that the U.S. and Canadian stock markets obey the long-run equilibrium path implied by our dynamic cointegration model, but the Japanese, British, and German markets do not exhibit such characteristics. Thus, it can be claimed that the stock markets of the United States and Canada are informationally efficient, whereas those of Japan, the United Kingdom, and Germany are not. [G15, G14]

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