China's goverment spending and economic growth theoretical and empirical research China's macro tax burden and economic growth: theoretical analysis and empirical research Technical innovation and industrial evolution: theoretical and empirical research Value co-creation of tourism service ecosystem: theoretical and empirical research 并列题名:Value co-creation of tourism service ecosystem: theoretical and empirical research Modern management psychology theoretical and practical research Surveys in economic growth theory and empirics 并列题名:Modern management psychology theoretical and practical research