AcknowledgementsList of AcronymsCh 1. IUU fishing and the policy diffusion of the EU-IUU regulationCh 2. How is unilateral trade-based policy adopted and integrated from the perspective of receiving countries? Applying EU IUU regulation in ThailandCh 3. Can anti-IUU trade measures diffuse to other market countries? Case study of AustraliaCh 4. Lessons from Thailand and Australia on the diffusion of anti-IUU fishing trade policyindex