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1.In this paper, we study tile pricing problem of European call option written on a corporate bond and get a relationship between tile price of such option and that of a call option written on a risk-free bond.
2.The conclusion conditioned on "breakeven" point is that the risk premium of the interest rate in a credit loan is not related to the maximum authorized amount and the drawdown amount under some conditions, but is only rested with credit rank and loan term of a borrower, as well as the interest rate of default-free bond.
