Journal of Guizhou University of Finance and Economics ›› 2022 ›› Issue (2): 14-22.

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Structural Optimization of Digital Economy and High Quality Development Effect: Experience Enlightenment From the Dynamic Relationship Between Leisure Time and R&D Efficiency

ZHANG Liang-gui1,2, WANG Li-yong2, SUN Jiu-wen3   

  1. 1. Shandong University of Technology, Zibo, Shandong 255000, China;
    2. Central University of Finance and Economics, Beijing 100081, China;
    3. Renmin University of China, Beijing 100872, China
  • Received:2021-06-28 Published:2022-03-25

Abstract: By constructing a DSGE model including digital economic sectors,using numerical simulation to test the impact of changes in digital economic structure (including digital facilities, digital industrialization and industrial digitization) on high-quality development effect. The research shows that the impact of changes in digital economic structure on R&D efficiency is greater than that on leisure time, and on "leisure time-R&D efficiency". The effect of high-quality development is significant under the change of dynamic relationship.The rapid development of digital facilities can promote high-quality economic development. The dynamic equilibrium relationship between digital industrialization and industrial digitization determines the change of high-quality development effect. Industrial planning policies need to pay attention to the "stepwise expansion effect" among digital facilities, digital industrialization and industrial digitization. There is an "ice breaking period" in digital industrialization. In the initial stage, the effect of high-quality development will be restrained, but it will be rapidly improved with the increase of scale. The promotion of high-quality development by digital economy will show an inverted "U" trend. Policies need to prevent and control the blind expansion of digital economy and reasonably optimize the digital economy structure, which can better improve the effect of high-quality development.

Key words: digital economy structural optimization, high quality development effect, leisure time, R&D efficiency

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