分阶段增长: P0=∑t=1nD0×(1+g)t(1+r)t+D0×1+g)n(1+r)n×1+g2r−g2\displaystyle P_0=\sum_{t=1}^n\frac{D_0\times(1+g)^t}{(1+r)^t}+\frac{D_0\times1+g)^n}{(1+r)^n}\times\frac{1+g_2}{r-g_2}P0=t=1∑n(1+r)tD0×(1+g)t+(1+r)nD0×1+g)n×r−g21+g2
金融收支平衡:NPV=0→Q=(FC+OCF∗)/(P−v)
风险溢价 R−RfR−R_fR−Rf
高风险: RD=ytm−p×LR_D=ytm−p×LRD=ytm−p×L
当做永续年金考虑: RP=D/P0R_P=D/P_0RP=D/P0
附录2:RE=Rf+βE(RM−Rf)RA=RU=Rf+βA(RM−Rf)R_E=R_f+\beta_E(R_M-R_f)\\ R_A=R_U=R_f+\beta_A(R_M-R_f)RE=Rf+βE(RM−Rf)RA=RU=Rf+βA(RM−Rf)
RA=WACC=RUR_A=WACC=R_URA=WACC=RU 不变
βE=βA[1+(1–T)D/E]–βD(1–T)D/E\beta_E = \beta_A[1 + (1 – T) D/E] – \beta_D (1 – T) D/E βE=βA[1+(1–T)D/E]–βD(1–T)D/E
永续无风险债务: PV(Interest Tax Shield)=Tc×DPV(Interest~ Tax ~Shield)=T_c×DPV(Interest Tax Shield)=Tc×D
附录3:美国破产条例