Researches on regional economic developmental difference has been a key area of scholars’ concern. There are rich research findings which focus on two main aspects: the situation and reason of regional economic developmental difference. But there are several shortcomings in these researches, such as ignoring the marginal area, dynamical mechanism causing the regional economic difference. In regarding to these problems, five suggestions are put forward: strengthening the research on under-developed area, the marginal area, cities and smaller area, the dynam...
