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Asian Review of Financial Research Vol.33 No.4 pp.581-597
Effects of Knightian Uncertainty on Interactions between Investment and Financing Decisions
Hwa-Sung Kim School of Management, Kyung Hee University, Seoul, South Korea
Key Words : Knightian uncertainty,Investment decision,Financing decision,Interaction effect,Tax effect


This study examines the interactions between investment and financing decisions under Knightian uncertainty. We first derive the optimal coupon and investment threshold under Knightian uncertainty. When financing and investment decisions interact, the jointly optimal coupon decreases with the degree of Knightian uncertainty, which supports empirical research. We show that the tax effect on investment decisions increases as the degree of Knightian uncertainty increases. We also find that the jointly determined coupon is less influenced by Knightian uncertainty.
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