Study on the Collaborative and Interactive Development of the Primary Industry and the Tertiary Industry: Empirical Analysis of the Example of Dujiangyan City

The industry structure is very important for the economic growth of one country or region, and largely influencesthe economic boom and future development degree of this country or region. In some regions, because of theresource gift, only two industries are mainly developed in the industry structure, and there are few researchesabout the interactive development of these two industries. Taking the city of Dujiangyan as the example, thequantity economic model is established in this article, and the regional economic development mode givingpriority to the primary industry and the tertiary industry is discussed, which could be used as references for theeconomic development of same regions