If the economic problems of border cities to be summed up in theory, you can further enrich the urban economics, regional economics and the theoretical system of national economics.

Positive test on the opening-up and the other economic growing factors of opening cities along the border:taking four opening cities of Northeast China as an example;

Study on regional improvement of labors employment of Northeast interior border cities;

On Fighting Against Typhoons and Protecting the Greening of Coastal Cities;

Finance and tax policy for accelerating opening outside and economic development of coastal cities in Liaoning province;

Difficulties and strategies of higher vocational education of tourism in coastal cities;

A coastal city is an important area and strategic focus of people convergency, national economy and society development, so the loss of the cities from natural disasters is very fierce and fatal.

Using the CA model to simulate the urban spatial change of Qingdao,it is shown that the CA model is effective to simulate the coastal city.

Yingkou is a coastal city in serious lack of water resources.

The costal city becomes more and more an attractive tourism destination for people,but its ecological environment problems have already caused people s extensive concern as follow.