China’s Low Export Markups Puzzle: Competition Effect and Selection Effect EffEct of corporatE social rEsponsibility on crEation of addEd valuE Dynamic correlative effect between urbanization anD electricity consumption Impact of digital economy development on carbon productivity:An empirical analysis based on threshold effect and spatial spillover effect Influence of socIal capItal on farmer household Income gap:total effect and structural effect The rebound effect of dematerialization and decoupling:a case of energy efficiency Effect of China's industrial structure adjustment on carbon emissions Effect of rural household participation and targeted tourism poverty alleviation Trade Isolation Effect of Terrorism Risks along the “Belt and Road” Route An AnAlysis of PrivAte PlAcement; nAture of controlling stAke And industriAl uPgrAding effect