The incompletion of audit contract and auditors special investment in the initial auditing breed an incentive that clients managers hold up auditors.

The developmental process of the auditing contractual system is expressed in one of the inducing-nature transition.

Flood insurance contract design based on incentive mitigation;

Incentive of Inter-organizational Knowledge Sharing Based on Credibility and Contract under Co-opetition;

Analysis on contract under agent-construction system based on principal-agent theory;