The paper discusses the effects of the digital economy on high-quality urban development and its mechanism. Theoretically, the digital economy can empower high-quality development by boosting entrepreneurial vitality. Empirically, the paper measures the overall level of the digital economy and high-quality development of the 222 Chinese cities at and above the prefecture level during 2011–2016, depicts the entrepreneurial vitality of the cities with the microscopic data of the business registration information and makes quantitative analysis on this basis. The result shows: Digital economy has remarkably improved high-quality development and this conclusion still exists after the robustness test selecting historical data as the instrumental variables and the Broadband China pilot policy as the quasi experiment. The analysis of the mechanism of action indicates that encouraging public entrepreneurship is an important mechanism of the digital economy to release the dividend of high quality development. Finally, thanks to the threshold model and the spatial model, it is found that the positive effect of the digital economy has the characteristics of nonlinear increment and spatial spillover of the “marginal effects.” The research of the paper stimulates the reasons for high-quality development and the understanding of the effects, mechanisms and regional differences of high-quality development empowered by the digital economy.

Digital economy has become the primary motivation for high-quality economic development. Upon comprehensively analyzing the connotation of digital economy, this paper constructs an evaluation system from development environment, digital industrialization, industrial digitalization, and digital governance to measure China’s digital economy index from 2016 to 2018 using the entropy-based TOPSIS method. Also, based on the improved Feder dual sector model, this paper discusses the theoretical mechanism of digital economy promoting high-quality economic development directly and through improving economic efficiency and economic structure, and carries out an empirical test. According to findings, on the one hand, China is scaling up digital economy and accelerating digital transformation; on the other hand, the greater the likelihood that high-quality economic development is constrained by low economic efficiency and unreasonable economic structure, the greater the role of digital economy in promoting high-quality economic development. Therefore, this paper puts forward recommendations for China’s high-quality economic development, such as advancing new infrastructure construction, developing digital economy, improving economic efficiency and economic structure, and transforming the government governance model.

As pointed out in the Report to the 20th National Congress of the Communist Party of China (CPC), the next five years (2022–2027) will be crucial for beginning to build a modern socialist country in all respects. Firstly, the next five years will be a period of historical transition in the central task of the CPC. The central task of the CPC will be to realize the Second Centenary Goal of building China into a great modern socialist country in all respects. At this crucial stage for getting our efforts off to a good start, China should understand and pursue the Five-Sphere Integrated Plan to advance the rejuvenation of the Chinese nation on all fronts through a Chinese path to modernization. Secondly, the next five years will be a period of deep reform in which strategic opportunities, risks and challenges are concurrent. Alongside a new round of scientific and technological revolution and industrial transformation well underway, the new principal contradiction facing Chinese society, a historical transition in the central task of the CPC, and a shift in the international balance of power, profound and complex changes are taking place in China’s internal and external environment for development. Uncertainties and unforeseen factors are rising and must be dealt with appropriately. Thirdly, the next five years will be a key period of achieving China’s overall development objectives for 2035. It is a paramount stage of meeting the 14th Five-Year Plan goals, formulating the 15th Five-Year Plan goals, and realizing Chinese modernization by 2035. China should uphold the CPC’s overall leadership, follow the path of socialism with Chinese characteristics, apply a people-centered development philosophy, remain committed to deepening reform and opening up, and carry forward our fighting spirit. Fourthly, the next five years will be a crucial period of accelerating the creation of a new pattern of development and pursuing high-quality development. Chinese modernization should be advanced through a series of strategic initiatives, such as building a high-standard socialist market economy, modernizing the industrial system, propelling rural revitalization across the board, promoting coordinated regional development, and boosting high-standard opening up. Fifthly, the next five years will be an impact period of unprecedented downward pressure on the national economy under various factors and risks beating expectations. In order to achieve the 14th Five-Year Plan goals and the overall development objectives by 2035, it is necessary to defuse the threefold pressure composed of increasing demand shrinkage, supply shocks and flagging market expectations, as well as intensifying potential risks. To accomplish the main objectives and tasks for the next five years, it is necessary to observe objective laws, apply the new development philosophy, continue to pursue economic development as central task, adopt system-based thinking, take steady steps to sustain progress, and promote high-quality development in a scientific and effective manner.

The successively proposed carbon peaking and carbon neutrality have not only set new goals for the green and low-carbon development of China’s economy, but also demonstrated China’s further determination and sense of responsibility for a greater contribution to address global climate change. Considering the importance of carbon peaking and carbon neutrality in the course of achieving the Second Centenary Goal (1949-2049), it is necessary for China to make scientific planning for the roadmap of carbon emission reduction, carbon peaking and carbon neutrality to ensure building a great modern socialist country under carbon constraints. More specifically, the optimization and realignment of energy structure, industrial structure, production and consumption structure, the rational planning of afforestation, and the vigorous development of global carbon emissions trading will be the core strategies for boosting green and low-carbon development of China’s economy.

Small and medium-sized enterprises (SMEs) are key contributors to technological innovation. As China’s vanguard for self-reliance and strength in science and technology, specialized, sophisticated, distinctive and novel (SSDN) SMEs have grown into an important motivation for high-quality development, a key stabilizer for the new development paradigm, and a vital force for an innovation-driven China. In recent years, China has been ramping up support for SSDN SMEs, and raised the focus on their development to a new level. At present, some problems and obstacles are befalling the high-quality development of SSDN SMEs, such as imperfect innovation system and mechanism, weak basic research service capabilities, a digital divide in digital transformation, and insufficient vitality of collaboration among players in the innovation ecosystem. In the future, China should promote the high-quality development of SSDN SMEs from system and mechanism, basic input, business environment, and digital empowerment. Specifically, China should increase policy support to consolidate the institutional guarantee for innovative development, build more platforms to form a dynamic innovation ecology, enhance intellectual property protection to spur entrepreneurship, and ramp up upgrading and transformation for the quality and efficiency improvement of traditional enterprises.

As the largest free trade agreement in the world at present, the Regional Comprehensive Economic Partnership (RCEP) has made provisions for cross-border e-commerce, regional trade cooperation, data and intellectual property protection, providing new opportunities for the digital economy development with its functions of optimizing factor resource allocation, accelerating the upgrading of industrial chains and value chains, and pushing close collaboration in international trade. This research consists of mechanism analysis, risk assessment and policy suggestions. First, it analyzes the mechanism of RCEP in promoting the development of the digital industry from three dimensions, namely dual-circulation of digital industry, spatial cooperation of digital economy and digital tariff guarantee, and explores the compatibility between the provisions of the RCEP agreement and the high-quality development of the digital economy. Second, it interprets the digital rules from the intention of digital rules, domestic knowledge legislation background of the parties, the effectiveness of digital regulation and coordination in the agreement, and the external environment; it analyzes the challenges that RCEP brings to China. Finally, this paper puts forward suggestions on how to promote high-quality development of China’s digital economy with RCEP.

Advancing and expanding Chinese modernization is an inherent requirement and fundamental guarantee for building a great modern socialist country in all respects and realizing the great rejuvenation of the Chinese nation. By systematically grasping the logical clue of advancing and expanding Chinese modernization, and realizing the great rejuvenation of the Chinese nation, from the perspectives of theoretical implication, historical evolution, and practical position, the Communist Party of China (CPC) can clarify the direction and goals of advancing and expanding Chinese modernization, and deepen our understanding of the world modernization path based on advancing people-centered modernization in all respects by putting the people first, highlighting distinctive advantages of Chinese modernization by standing on Chinese own feet, and adhering to peaceful development, and analyze the underlying value concepts for advancing and expanding Chinese modernization. In terms of practical approach, Chinese modernization can be advanced in a stable and far-reaching manner, and new glories can be created only by further strengthening the guidance of the Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era on Chinese modernization, upholding and enhancing the CPC’s overall leadership in the whole process of Chinese modernization, promoting high-quality economic and social development to empower and strengthen the foundation of the stability and success of Chinese modernization, and actively seizing the strategic opportunity to advance Chinese modernization under the great changes unseen in a century, so that a solid inherent impetus and a supporting guarantee for the construction of a great modern socialist country in all aspects and the realization of the great rejuvenation of the Chinese nation can be provided.

Sci-tech innovation is an important measure for the Guangdong–Hong Kong–Macao Greater Bay Area to achieve high-quality economic development. Theoretically, there is a coupling coordination relationship between sci-tech innovation and high-quality economic development, and coordinating the relationship between the two is beneficial to building the Guangdong–Hong Kong–Macao Greater Bay Area into an international innovation and technology hub and promoting high-quality economic development. At present, the Guangdong–Hong Kong–Macao Greater Bay Area has seen a year-on-year increase in both the level of sci-tech innovation and the level of high-quality economic development, with a sound development trend. Its coupling coordination degree between sci-tech innovation and high-quality economic development has steadily improved from a slightly uncoordinated stage to a primarily coordinated stage, but the overall degree of coordination is still not high, with some gaps from realizing the excellently coordinated stage. From the perspective of spatial distribution, the internal development of the Guangdong–Hong Kong–Macao Greater Bay Area is unbalanced, with obvious differences in development level and coupling coordination degree among cities. The convergence analysis shows that the differences in the coupling coordination degree among the cities in the Guangdong–Hong Kong–Macao Greater Bay Area have stabilized after narrowing during the study period. However, the difference among the cities with higher coupling coordination degrees tends to widen in recent years. Therefore, necessary measures should be taken to promote the coordination between sci-tech innovation and high-quality economic development in the Guangdong–Hong Kong–Macao Greater Bay Area.

Using the panel data of 29 provinces in China from 2015 to 2018, this paper analyzes the impact of the internet, technological innovation, and their interaction on high-quality economic development. As the results show, the internet and technological innovation promote economic growth efficiency, economic growth stability, industrial structure optimization, and sustainable development level, where technological innovation promotes more significantly but hinders the economic welfare level to some extent; the interaction between the internet and technological innovation has a significant positive correlation with high-quality economic development and strengthens the promotion of technological innovation on high-quality economic development; human capital plays a significant role in promoting all aspects of high-quality economic development, while fiscal expenditure has no significant impact on high-quality economic development. Therefore, the internet should be leveraged to drive technological innovation capacity, and better play the guiding role of the government.

As traditional drivers fade, cultivating new drivers has become the key to the high-quality development of China’s economy. In the new round of scientific and technological revolution and industrial transformation, the digital economy plays a strategic role in promoting high-quality economic development in China, by using data as a new key production factor and innovation as the driving force, and driving impetus change, efficiency change and quality change to increase total factor productivity. The mechanism for the digital economy to cultivate new drivers for the high-quality development of China’s economy is through four dimensions, namely allocation optimization, economies of scale, industrial integration, and innovation-driven growth. In the context of the digital economy, accelerating the cultivation of new drivers calls for the following efforts: speeding up digital innovation and promoting the driving force change, efficiency change, and quality change; accelerating the process of digital industrialization and pushing advanced industrial basic capabilities; using industrial digital transformation to promote the modernization of the industrial chain; and advancing the high-quality development of the manufacturing industry, and promoting the deep integration of the digital economy and the real economy.

An index system is constructed to measure the integration of environmental protection and high-quality economic development in different cities in China from 2006 to 2018, and to explore its evolution and driving forces. From the three dimensions of integration foundation, integration depth and integration performance, this paper adopts AHP-Entropy combined weighting method to build the integration index. In addition, this paper comprehensively uses exponential decomposition, comparative analysis and σ convergence and divergence analysis to explore the spatio-temporal differences and dynamic mechanisms. The results show that the overall integration level of China’s cities continues to improve, of which technological progress is the core driving force, the transformation of development mode is a crucial path, and the intensity of environmental governance is the key support. The evolution and driving forces of the integration level of first-tier cities, new first-tier cities and other cities are significantly different. Promoting integration level is a critical way for resource-based cities to break the resource curse. Urban agglomeration integration led by the growth pole can effectively improve the overall regional integration level. This paper innovates that the relationship between environmental protection and high-quality economic development is discussed from the perspective of integration, and the paths to improve the integration level of resource-based cities and urban agglomerations are identified. This paper is helpful to clarify the differences in integration levels and driving forces of different cities, and provide a reference value for the precise implementation of high-quality development and “beautiful China.”

Linking technological innovation with high-quality economic development is a complex process. So far, there has been little academic research on the mechanism and internal law of technological innovation related to high quality economic development. After streamlining the research context of technological innovation in the deductive development of economic growth theory, this paper summarizes and extracts the core connotation of high-quality economic development from the concept of high-quality development and at micro, meso and macro dimensions. The internal law of technological innovation promoting high-quality economic development is revealed from six aspects, including total factor productivity, supply of high-quality products and services, industrial structure upgrading, consumption structure upgrading, resources and environment, and promoting social equity. This paper then puts forward policy recommendations for technological innovation promoting high-quality economic development at micro, meso and macro dimensions. Microscopically, organizations including R&D enterprises, universities and research institutes should have their creativity enhanced; mesoscopically, the levels of industrial chain, value chain and regional technological innovation growth pole should be improved; and macroscopically, China should raise its overall technology competitiveness in the world for high-quality economic development driven by technological innovation. This paper proposes six issues on technological innovation related to high-quality development that deserve in-depth discussion, including identifying the standards and boundaries of innovation, capturing the orientation of technological innovation, and raising the rate of transforming technological innovation achievements, etc.

Theories based on fiscal guarantees cannot explain either the fact that the continuously decline in local fiscal resources has not significantly increased local government financing costs, or the fact that local government debt has been rising at a time of strict central government regulation. The theoretical and empirical analyses provided in this study show that it is the financial resources under local government control that provide the implicit guarantee for local government debt. Such financial resources lower local governments’ financing costs but have the potential to lead to the contagion of financial risk through local government to the financial sector. Therefore, to look at the question solely in terms of either fiscal or financial sector guarantees will not be sufficient to resolve the problem of local government debt. The central government needs to coordinate fiscal and financial policies under a joint management framework in a way that rationally disperses and resolves the risks attached to local government debt and avoids the assumption of excessive risk by either sector. At the same time, close attention should be paid to local financial institutions’ asset quality and their money market reputation to avoid the risk of contagion from local financial institutions to local public finance.

Theoretically based on historical materialism, the historical initiative of the Communist Party of China (CPC) is a precious character of creating new prospects amid changing circumstances consciously and proactively to acquire benefits for Chinese people. Integrated into its centenary history and showing highlights in different historical periods, the CPC’s historical initiative features dialectical unity between problem orientation and mission pursuit, upholding fundamental principles and breaking new ground, regularity and consciousness, as well as the leadership of the CPC and the pioneering spirit of the people. To accomplish the Second Centenary Goal and advance national rejuvenation, the CPC will follow the path of socialism with Chinese characteristics under the guidance of Marxism, stay committed to achieving national rejuvenation, unite and rely on the people, and stimulate the spirit of innovation and creation, thereby pooling more proactive spiritual strengths to make greater contributions in the new era.

Based on the full consideration of both domestic and global environments and conditions, the adherence to the conviction that lucid waters and lush mountains are invaluable assets, and the comprehensive weighing of pros and cons, the Chinese government has made a major strategic decision to achieve the goals of carbon peaking and carbon neutrality, which is crucial to the overall green transformation of the economy and society and the long-term benefits of the Chinese nation. With the new energy revolution and energy mix diversification driven by the carbon peaking and carbon neutrality goals, nonfossil energy sources centered on photovoltaic energy will gradually dominate the energy mix, while the status of electricity and hydrogen energy will be significantly enhanced and the consumption of coal and petroleum will decline significantly. Carbon peaking and carbon neutrality goals are both challenges and opportunities for China. Specific challenges are embodied in the large pressure of economic and energy restructuring, the rising manufacturing costs, the difficulties in withdrawing coal-fired power stations, the possibility of unstable grid operations due to large-scale integration of photovoltaic and wind power into the power distribution network, and the supply risks of key metals, while specific opportunities are emerging in the strong competitiveness of photovoltaic and wind power equipment, lower dependence on foreign petroleum and gas supply and accelerated low-carbon green transformation. China should strengthen the top-level design of the path to achieve carbon peaking and carbon neutrality, encourage innovation of green low-carbon technologies, accelerate economic and energy restructuring, strictly restrict the construction of new high-emission and energy-intensive projects, and steadily promote the adjustment and withdrawal of the existing high-emission and energy-intensive projects.

At the 75th session of the United Nations General Assembly (UNGA) in 2020, China put forward the goal of peaking carbon dioxide emissions by 2030 and achieving carbon neutrality by 2060, a move to lead global response to climate change that has attracted wide attention and hot comments at home and abroad. Therefore, it is of great practical significance and academic value to explore ways of achieving carbon peaking ahead of schedule and study the macroeconomic effect. This paper, based on Energy, Environment and Economy recursive dynamic computable general equilibrium model (TECGE), a dynamic computable general equilibrium model, carries out a quantitative analysis of the effect of strengthening carbon peaking commitment on China’s future macro economy. By setting up four scenarios, namely carbon peaking of 10.8 billion tons, 10.7 billion tons, 10.58 billion tons and 10.36 billion tons in 2030, 2027, 2025, and 2023, it examines the effects of carbon peaking ahead of schedule and carbon peaking in 2030 on macro economy. The findings show that, compared with the 2030 benchmark, the more ahead of schedule carbon peaking is achieved, the higher the carbon tax prices, and that though GDP and other macroeconomic variables, such as aggregate consumption, aggregate imports and exports decline, the share of the tertiary industry increases. That is, the more ahead of schedule carbon peaking is achieved, the more macroeconomic variables decline, and the more the share of the tertiary industry rises. This paper, using computable general equilibrium (CGE) model to conduct a quantitative analysis of the macroeconomic effect, makes policy recommendations for carbon peaking ahead of schedule and high-quality economic development.

The great impact of monetary policy on bank risk-taking, facilitated by a liquidity mechanism, significantly complicates the macro-prudential supervision process. Surprisingly, limited scholarly research has delved into this particular issue. Hence, in this paper, the liquidity variable is introduced into the dynamic linear model to depict the liquidity mechanism by which monetary policy affects bank risk-taking. Based on micro-data from 133 commercial banks in China, this paper empirically tests using systematic Gaussian mixture models estimation and a panel smooth transition regression model. The findings reveal that while monetary policy does not exhibit a significant risk-shifting effect. A marked liquidity transmission effect, however, is observed, whereby easy monetary policy noticeably exacerbates bank risk-taking. This impact becomes more pronounced as liquidity levels improve. The most significant negative impact of monetary policy on bank risk-taking occurs when bank liquidity reaches approximately 43%. Moreover, when banks maintain high levels of liquidity, the statutory deposit reserve ratio exerts a greater regulatory effect than other monetary policy tools. Contractionary monetary policy imposes noticeably weaker restraints than expansionary monetary policy, particularly in banks with higher liquidity levels. Moreover, the interplay between monetary policy and bank risk-taking is contingent upon not just the liquidity level of banks, but also their asset size and capital adequacy.

Since the implementation of the reform and opening up policy, rapid growth has been witnessed in the Chinese economy, thanks to the introduced technological progress as well as the institutional advantages of the country. However, while this exogenous technological progress promotes economic growth quantitatively, it is, unfortunately, not conducive to the improvement of the quality of the economy. Structural imbalances have thus been produced, which hinder the high-quality development of the economy of the country. Besides, by way of the “supply and demand rebalance mechanism,” “resource optimized allocation mechanism,” and “new and old kinetic energy conversion mechanism,” original technological progress can effectively push forward the quality change, efficiency change and dynamic change in the economy, thereby promoting the innovation, coordination, greenness and openness as well as the shared development of the economy. Therefore, the current technological transformation in China needs to change from the second stage—the stage of transition from the introduced technological progress mode to the original technological progress mode then to the third stage—the stage mainly based on the original technological progress, which is the key to the successful transformation of the Chinese economy from the high-speed growth phase to the high-quality development phase.

The Report to the 20th National Congress of the Communist Party of China (CPC) decides to “comprehensively promote the great rejuvenation of the Chinese nation through Chinese modernization” as a central task, listing nine essential requirements for Chinese modernization with the creation of a new form of human civilization as its goal. This paper analyzes the evolution of Chinese modernization led by the CPC and the pursuit of civilization, and reveals the inner connection and unity between Chinese modernization and the new form of human civilization. It is helpful to deeply understand the historical logic, realistic logic, and future logic of Chinese modernization, enabling better study and implementation of the spirit of the Report to the 20th National Congress of the CPC. Also, this paper boosts confidence in the path, theory, system, culture, and history of building a modern socialist country in an all-round way and promoting the great rejuvenation of the Chinese nation.

Since the start of the reform and opening up in 1978 China’s economy has grown rapidly, but the quality of development is relatively low. With the transformation of the principal social contradiction, low-quality development cannot respond to the needs of this situation. The central authorities proposed a new development pattern whereby domestic circulation and international circulation can boost each other, with domestic circulation as the mainstay. In the Fifth Plenary Session of the 19th Central Committee of the Communist Party of China (CPC), the CPC Central Committee stressed that we should promote high-quality development as the theme to meet the growing needs of people for a better life. To solve the problem of inconsistent economic growth rate and quality of development, this paper starts by adjusting the relationship between domestic circulation and international circulation with domestic circulation as the mainstay, discusses how to create conditions for consumption upgrading and industrial upgrading from both supply and demand ends, and expounds on how to use international circulation to promote domestic circulation and better bring in international forces, so as to explore how to achieve high-quality economic development under the double-circulation pattern. Besides, the paper puts forward corresponding countermeasure suggestions.

To promote rural revitalization on the basis of consolidating and expanding the achievements in poverty alleviation after fulfillment of the objectives and tasks of poverty alleviation, it requires not only a smooth transformation of the working system, but a the transfer and continuity of micro policies. As the local practice shows, since the focus of the “tri-agriculture” work has shifted, the local governments have carefully implemented the decisions and deployments of the Central Committee of the Communist Party of China (CPC). In terms of the leadership system, system design, institutional teams, assessment mechanism and financial support, they have registered positive progress in the effective linkage of consolidating and expanding the achievements in poverty alleviation with rural revitalization. Meanwhile, they have been confronted in practice with the problems and difficulties of inadequate cognition of the effective linkage of the two strategies, incompatibilities of the responsibilities and capabilities of the departments at all levels, insufficient consideration of regional discrepancies, weak program guidance and assessmenting and openness to optimization of the poverty-alleviating assets management and utilization. It is advised to further deepen the cognition of linkage promotion, clarify the leadership system and assignment of responsibilities, differentiate the tempo and direction of linkage, strengthen the planning leadership and assessment application, and optimize the poverty-alleviating assets management and utilization mechanism to implement the effective linkage of the two strategies.

China has always tried to maintain multilateralism and advocated working together to deal with global climate change through multilateral mechanisms. Although China’s announcement to peak its carbon emissions by 2030 comes as no surprise, its commitment to carbon neutrality does. As the period between its carbon peaking and carbon neutrality is far shorter than that in the developed countries, China’s economic and energy structures need to be adjusted toward the low-carbon and carbon-free end with unprecedented efforts. To that end, China should define the responsibilities of local authorities and industrial entities to promote the orderly accomplishment of carbon peaking in all regions and industries. To supply the huge investments needed to achieve the goals of carbon peaking and carbon neutrality, China has an urgent need to accelerate the development of green finance and a national carbon emissions trading market, guide the rational allocation of resources, and channel resources to eco-friendly projects for green and low-carbon development. At the same time, China and the international community should strengthen dialogue and coordination, promote international cooperation on the way to carbon neutrality, formulate widely acceptable policy guidelines as soon as possible, and avoid unilateral measures that may cause conflicts.

Carbon market, which is capable of scientific quantifying and marked-based pricing of carbon emission, is an important way for countries to achieve the target of carbon emission reduction. The global carbon market, after more than ten years of development, has developed a mature mechanism. China started the trial of carbon market in 2011. After ten years of exploration, the national carbon trading market was officially launched in mid-July 2021. Against the backdrop of carbon neutrality, the national carbon market will shoulder a greater mission of carbon emission reduction and speed up its financialization and internationalization. However, it should take a dialectical attitude toward the opportunities and risks of carbon market financialization. In the future, China can promote the development of carbon market through efforts to develop market participants, clarify the attributes of carbon finance, prevent potential risks of carbon finance, improve the connection mechanism with the international carbon market, and innovate carbon finance services.

Digital economy, a new driving force for China’s economic development, creates a good opportunity for rural revitalization. This paper begins with a theoretical analysis of the impact of the digital economy on rural revitalization. Based on panel data from 30 provinces and cities in China from 2011 to 2018, as well as measurement-based digital economy development Index and rural revitalization index, the empirical test is conducted of the driving effect, mechanism and heterogeneity of digital economy on rural revitalization. Results show that the digital economy has a significant driving effect on rural revitalization, a conclusion that still holds even after taking into account endogenous problems and conducting a series of robustness tests. Technological innovation and human capital constitute the important mechanism for the digital economy to drive rural revitalization. Furthermore, the digital economy has a spatial spillover effect on rural revitalization, that is, it can promote rural development in neighboring areas. As regards various dimensions of rural revitalization, the digital economy can significantly promote ecological livability, civilized rural style, effective governance and prosperity. But its impact on the industrial boom is yet to appear. The western region enjoys more digital economy dividends in rural revitalization are more significant than central and eastern regions. Rural revitalization requires the government to deepen the integration of the digital economy and agriculture and implement a differentiated digital economy development strategy.

Industry interaction is becoming an important approach to promoting high-quality economic development. In this paper, the multi-sector general equilibrium model is developed to clarify the theoretical mechanism among industry interaction, structure transformation, and high-quality economic development; the empirical tests are carried out based on the provincial panel data from 2000 to 2017; and the empowerment paths for digital technologies are explored to drive high-quality economic development. The findings are as follows. (1) The industry interaction can promote high-quality economic development in China on the whole, but it shows a significant imbalance and a healthy two-way promotion mode have not been formed. (2) The impact of industry interaction on high-quality economic development is significantly heterogeneous at the sector and regional levels. (3) The current unhealthy industry interaction may widen the productivity gap between manufacturing and service sectors, and transform China’s economic into service-oriented structure, thus leading the economic development to a vicious circle of “low efficiency to low-end servitization and further to lower efficiency,” and hindering the sustainability of high-quality economic development. (4) Digital technologies can break the development dilemma and achieve high-quality economic development by alleviating structural contradictions, boosting healthy industry interaction, and narrowing the productivity gap among sectors. The conclusions provide empirical evidence for the government to promote the integration of advanced manufacturing and modern service sectors and achieve high-quality economic development.

The rural revitalization strategy represents a quantum leap in both the theory and practice of rural development in China, and serves as a crucial solution to address the array of challenges facing rural areas. Multi-dimensionally, the rural revitalization strategy sets out the general requirements of “building rural areas with thriving businesses, pleasant living environments, good social civility, effective governance, and prosperity,” which echo the measures of new urbanization: efficient, green, humanistic, well-governed, and inclusive. Specifically, “building rural areas with prosperity” aligns with the development requirement of urban-rural dual structure theory; “building rural areas with thriving businesses” meets the development requirement of the industrial division of labor and integration theory; “building rural areas with pleasant living environments and good social civility” follows the development requirement of sustainable development theory; and “building rural areas with effective governance” tallies with the development requirement of rural governance theory. Urbanization theory, urban-rural dual structure theory, the industrial division of labor and integration theory, sustainable development theory, and rural governance theory serve as crucial theoretical references for the rural revitalization strategy, helping make clear its conceptual underpinnings.

In essence, understanding the relationship between supply-side structural reform and demand-side management requires grasping the interplay between supply and demand. Supply and demand are interdependent and interactive, and their equilibrium determines the equilibrium values of micro and macroeconomic variables. Focusing solely on either supply or demand, regardless of the time length, is one-sided. To promote supply-side structural reform, China should depend on demand and take a measured approach to its expansion. In the absence of demand, the supply-side structural reform would lose its direction and purpose. Enhancing demand-side management involves delving deeper into supply-side structural reform because the scale and growth of demand, alongside changes in demand structure, are fundamentally influenced by institutional factors. Hence, further reforming the systems and mechanisms that hinder the optimization of demand structure and the growth of demand is precisely what supply-side structural reform should entail.

Carbon peaking and carbon neutrality constitute an extensive, profound and systemic economic and social change. It is worthwhile to explore how fiscal policy, as a key institutional arrangement in the public policy system to cope with climate change, can play a fundamental and pillar role. Based on literatures, theories and empirical materials, this paper systematically explores the relationship between climate change and public finance. The fiscal impact of climate change will eventually be reflected in fiscal behavior, fiscal costs and fiscal relations, and the fiscal system has the adaptability of an “automatic stabilizer” and the proactiveness to enable the Discretionary Approaches function when facing climate change impacts. This implies such a governance logic of fiscal policy that is systematic, forward-looking and flexible in addressing climate change. In the future, it is necessary to further incorporate climate change or related environmental factors into the fiscal policy framework, target the two key aspects of mitigation and adaptation, and carry out a holistic, systematic and forward-looking reform of the existing fiscal expenditure policy, fiscal revenue policy, fiscal investment and financing policy, government budget system, government procurement policy and ecological compensation policy. While highlighting the “governance” function of fiscal policy in addressing climate change, Chinese government needs to strengthen the coordination and collaboration between fiscal policy tools and other public policies, and magnify the governance effectiveness of fiscal policy in the process of addressing climate change. This paper helps understand the positioning, role and influence of fiscal policy in the process of addressing climate change, provides a basis for better playing the fundamental and underpinning role of the modern fiscal system in the governance of ecological civilization, and presents an analytical framework for building a theoretical system of ecological fiscal governance.