“…And these will ultimately promote the development of DE. Following this approach, we establish a RES development promoting the development of DE model (as shown in Fig 1 ) based on the demand-driven theory [ 39 , 40 ]. In this model, we select commonly used indicators, such as retail sales of consumer goods, GDP, per capita GDP, industrial added value, household disposable income of urban residents, general public budget revenue, social investment in fixed assets, etc.…”