The Sarbanes-Oxley Act (SOX) is an exogenous shock to the information environment of firms listed in the U.S. Thus, firms might adjust their capital structures to reflect the new information environment. I examine SOX’s effect on capital structure. Since SOX applies only to firms listed in the U.S, the control group consists of Canadian firms listed in Canada. The test groups in this study are U.S. firms listed in the U.S. and Canadian firms cross-listed in the U.S. Relative to the control firms, SOX is associated with higher long-term debt ratios for U.S. firms listed in the U.S. but not for Canadian firms cross-listed in the U.S. Also, firms that heavily (modestly) manage pre-SOX earnings decrease (increase) their long-term debt ratios post-SOX.
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