| In recent years,the rapid development of digital technology has provided strong technical support for the prosperity of the digital economy.Digital service trade,which is not limited by time and space,has shown its unique advantages and is growing stronger day by day.The development level of digital service trade has become an important manifestation of national competitiveness,and how to improve the competitiveness of national digital service trade has also become a valuable topic.In this context,it is particularly important to explore the factors influencing the competitiveness of digital service trade.However,there are still many obstacles and challenges in the process of the rapid development of digital service trade.The Organization for Economic Cooperation and Development(OECD)released the “Digital Service Trade Restriction Index”(DSTRI),which shows that the digital service trade barrier forms Diverse,such as implementing control over the cross-border flow of data,setting censorship and filtering requirements for online content,imposing domestic taxes and fees on digital products and services,and adopting a discriminatory public procurement system for digital services.Trade restrictions between countries not only seriously hinder the development of international digital service trade activities,but also adversely affect the development of their own digital service trade,thereby weakening their competitiveness.This dissertation sorts out and introduces the related concepts,manifestations and characteristics of digital service trade and digital service trade barriers.According to the latest digital service trade restriction index released by OECD,the G20 and other major economies conduct digital service trade barriers in a comprehensive and detailed manner.quantitative assessment.By constructing an index evaluation system for the competitiveness of digital service trade,the quantitative data on the competitiveness of digital service trade in various countries is calculated.During this period,this dissertation selected 24 major economies as samples,and calculated the trade competitiveness index(TC),revealed comparative advantage index(RCA),international market share index(MS)and Michaely volatility index(MI)of digital service trade in various countries,and based on the above four indicators,a competitiveness evaluation system was constructed with entropy method empowerment,and the competitiveness level of digital service trade of sample countries in 2014 — 2020 was calculated.By sorting out the research literature on competitiveness,this dissertation selects Michael Porter’s diamond theory model as the theoretical basis,and introduces the production factors,demand factors,related industrial factors,and government intervention factors of digital service trade as control variables.The digital service trade restriction index is used as the core explanatory variable,and then the digital service trade competitiveness index calculated in this dissertation is used as the explained variable,so as to construct the empirical model of this dissertation.Barriers can inhibit the development of competitiveness in digital services trade.In the empirical analysis,the regression of the country effect and the time effect is carried out on the relevant data,and the reliability of the results is verified by the robustness test,and it is concluded that the digital service trade barrier has a significant negative effect on the competitiveness of the digital service trade.At the end of the dissertation,combined with the empirical results,it puts forward policy suggestions on how to improve the competitiveness of digital service trade in my country.On the one hand,it puts forward three suggestions on how to reduce the negative impact of digital service trade barriers on the competitiveness of digital service trade,including promoting the construction of digital infrastructure,participating in the formulation of digital trade rules,and formulating a reasonable and balanced intellectual property protection system.On the other hand,according to the development status of my country’s digital service trade,four suggestions are put forward,including increasing scientific and technological research and development,cultivating high-level talents in related fields,supporting the development of related industries,and improving the domestic market’s demand for digital service trade. |