in the incomplete contract theory, the adverse selection problem can be solved through a signal transmission model, in which the signal is sent out by a specialized rating organization.
非完全契约经济学对于逆向选择的问题主要可以通过信号传递的模型来解决,通过专业的评级机构的评价等级作为信号可以有效的解决逆向选择的问题;