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Capital Structure, Credit Ratings, And Sarbanes-Oxley, Kelly E. Carter

USF Tampa Graduate Theses and Dissertations

Since Sarbanes-Oxley (SOX) is an exogenous shock to the information environment of U.S.-listed firms, those firms might adjust their capital structures to reflect the new information environment. Using univariate and multivariate tests, including differences-in-differences, I examine SOX's effect on the capital structure of U.S.-listed firms relative to Canadian firms listed in Canada, which are treated as control firms since they are not subject to SOX. The results indicate that, after the passage of SOX, U.S.-listed firms raise their long-term debt ratios by two to three percentage points, relative to the control group. U.S. firms listed in the U.S. drive this …