Impact of trade promotIon agencIes on chIna‘s export BInary margInal growth Impact of carbon emissions on economic factors and economic growth in China's underdeveloped regions: Evidence from Guangxi Zhuang Autonomous Region How China’s Grain-for-Green Project Contributes to Farmers’ Income Growth Transportation Infrastructure and Productivity Growth:Effects of Railway Speed-Up on Firm’s TFP in China Rural Infrastructure and China's Inclusive Growth Structural Upgrade of China’s Commodity Trade during 1987-2014 Value-Added Trade and Evolution of China's Comparative Advantages China’s Service Trade and Dwindling Current Account Surplus How Trade Liberalization of Intermediates Contributes to China's Technology Upgrade Sources of China's Economic Growth:An Analysis Based on Nonparametric Accounting Method