Effects of E-Commerce Platforms on Firm Export——Evidence from China’s Industrial Enterprises An Empirical Research on Mixed-Ownership Reform and SOE Innovation: Evidence from China’s Industrial Enterprises EffEcts of invEstmEnt on EnErgy intEnsity:EvidEncE from china Is China’s Economy Overestimated?——Counter-Evidence from the Underground Economy Will Market-Oriented Reforms Propel Technology Progress?Empirical Evidence from China's High-Tech Sectors Impact of carbon emissions on economic factors and economic growth in China's underdeveloped regions: Evidence from Guangxi Zhuang Autonomous Region Effectiveness of China’s Labor Contract Law——Evidence from China Employer-Employee Survey The Reciprocal and Symbiotic Effects of Industrial Relocation between China and BRI Countries Analysis of FTA’s Potential Economic Effects on China EnvironmEntal rEgulation and multiplE Equilibrium of Economic growth:thEory and EvidEncE from china