1.This feedback effect jointly determines the optimal contract, the propensity of market manipulation and price informativeness.

1.这反馈效应共同决定最优合同，倾向操控市场和价格息化。

2.From the point of view of the informativeness and textual cohesiveness of preposed theme, the stronger its informativeness, the weaker its cohesiveness, and vice versa.

2.从前置主位息性和衔接性来看，前置主位所息新息性越弱，其语篇衔接性越强，反之亦然。