This dissertation presents empirical analysis of the capital structure, security issuance, value creation, and valuation concepts of corporate finance. Two analysis examine connections between firm capital structure and the use of convertible debt securities, which have mixed debt and equity attributes. The third analysis examines the valuation of implicit and explicit signals of firm quality. Chapter 1, Convertible Debt & Target Leverage Adjustments, examines how does convertible debt affects advances toward target capital structure. Convertibles may improve leverage adjustments by providing capital that is less costly to issue and less expensive to service. However, convertibles can be risky liabilities with uncertainty around the achieve...