Abstract:

The paper makes a Markov model with the data of FAO and improved RCA , calculates the theoretical state probability of 2008, compares to the realistic probability and found that the actual status of competitive advantage has a trend of convergence.It also can say that the number of very strong and general competitive advantage of aquatic products are increasing and strong and weak competitive advantage are reducing. It also analyzes the reason of the difference. At last, it gives the suggestions for how to improve the competitive advantage of aqua-products on the condition of now available resources.