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

这种反馈效应共决定最优，倾向操控市场价格化。

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.

从前置主位衔接来看，前置主位所传递新越弱，其语篇衔接越强，反之亦然。