现代资本结构理论主要包括罗斯模型、利兰&派尔模型、优序融资理论的信号模型以及包括代理成本说、财务契约论的代理理论两方面内容。
It consists of informational models including Ross model , Leland Pyle model , Peking order theory and agency theories including agency cost theory and financial contract theory .
利兰-派尔模型