Advance Alert to Regional Economic D ifference:Theory,Application and Control

On the basis of using the correlation research achievement this paper att empts to probe into the advance alert theory of regional economic di fference including its concept,index,model,alert limits and operatio n pro-cess.Applying the theory the paper e valuates the status of alerting of re gional economic absolute and relati ve dif-ferences in Xinjiang today forecasts the future alert situation and intr oduces the policy control counterme asures under state of alert.