We assume that the call option's value is correctly priced by Black and Scholes' option pricing model in this paper. This paper derives an exact closed-form solution for implied standard deviation under the condition that the underlying asset price equals the present value of the exercise price....

Corporate finance for the entrepreneurial firm is fundamentally different from that of the traditional firm. The standard problems and solutions to both investment and financing are reformulated in this paper. The formulation is intended to capture two distinguishing features of entrepreneurial...