Weber, a famous economist, believes

Weber, a famous economist, believes that transportation cost, labor cost and production agglomeration are the main factors affecting industrial location selection, among which transportation system plays a crucial role The completion of road infrastructure can also stimulate the consumption of local residents and local enterprises. The investment in road transportation construction is limited, but its economic effect is very huge. The contribution of road investment to economic growth is also obvious and has a long history Convenient transportation can find cheap resources in a larger area, reduce costs, promote regional division of labor, and form distinctive economic zones. Convenient and effective transportation environment is conducive to reducing transaction costs and saving time for material exchange. As the saying goes, if you want to be rich, In the regional economic development, due to the complete infrastructure and public service facilities, good innovation environment, etc., the regional central city attracts the production factors and economic activities from the surrounding areas to flow in, thus accelerating its own development. By borrowing the physical siphon phenomenon, people call it a big city Siphon effect