• 「Synosia」Han, S. H., Shin, Y. S., Reinhart, W., & Moore, W. T. (2009). “Market segmentation effects in corporate credit rating changes: the case of emerging markets”. Journal of Financial Services Research, 35(2), 141-166.

    Lab: Synosia

    Professor: Seunghun Han

    Title: Market Segmentation Effects in Corporate Credit Rating Changes: The Case of Emerging Markets

    Authors: Seung Hun Han,  Yoon S. Shin, Walter Reinhart, William T. Moore

    Journal: Journal of Financial Services Research

    Publish: 2009


    We examine stock market reactions to corporate credit rating changes in 26 emerging market countries included in the Morgan Stanley Capital International (MSCI) Emerging Market Index. We hypothesize and test the notion that emerging market firms in the American Depository Receipts (ADRs) markets are more likely to purchase ratings from the Big Two (Moody’s and S&P), and that they react more strongly to the announcements of corporate rating changes by Moody’s or S&P than to those of raters in local markets. We compare the effect of credit rating changes of the Big Two in two emerging stock markets: local markets (local currencies) and ADR markets (U.S. dollars). We find significant price reactions in the ADR markets, and insignificant reactions in local markets, and conclude that there is capital market segmentation in ADR markets for credit rating changes of emerging market firms. We find evidence that investors react more strongly in the ADR markets than local markets because they require higher costs of capital for firms cross-listed both in the ADR markets and local markets due to greater expected bankruptcy costs and foreign exchange risks of those firms. We also report that stock markets react significantly, not only to rating downgrades, but also to upgrades in the ADR markets.


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