| Summary: | 碩士 === 國立政治大學 === 財務管理研究所 === 98 === This paper examines market timing theory on Taiwan listed company during 1990－2008, and focus on two topics. In the first part, we want to test whether firms fund larger proportion of their financing deficit with external equity when cost of equity is relatively low. We refer to Huang and Ritter (2009), using residual income model to estimate the firm’s implied cost of equity, and let implied equity risk premium as a market timing proxy. Consistent with the market timing theory, the empirical evidences show that the effect of financing deficit on leverage is positively related to the implied equity risk premium. In the second part, we test whether the historical values of cost of equity have persistent impact on current capital structure. We find about three years impacts, indicating that past market timing financing behavior have short-term effects on firm’s capital structure.
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