supposal

The event study is based on the supposal that the market is effective , that is to say , the stock price reflects all the known public information .

事件研究方法是基于有效市场假设的，即股票价格反映所有已知公共信息。

Then ten new real exact solitary wave solutions for then-dimension nonlinear Chaffe-Infante equation are obtained by using these formulas and a direct supposal method .

首先，利用直接假设法，给出了一类二阶常系数非线性微分方程的一组实的显式精确解。

This part introduces the origin and development , principal-agency relationship , monitoring and incentive mechanism , theoretic supposal , theoretic model , types classification to form a basic framework of principal-agency theory .

该部分主要从委托代理关系、理论假设、理论模型、代理问题的产生与发展以及约束与激励机制等几个方面给出了委托代理理论的基本框架。