Environment Regulation and Green Total Factor Productivity: A Case Study in the Yellow River Basin

<p>From the perspective of dual effects cost and technological innovation, impacts two types environmental regulations their synergistic on green total factor productivity are analyzed. Research shows that: command type, market-oriented improvements basin show a positive role in promoting, at same time, regulation strength instead own innovation ability work together valley process improvements, cooperate efforts to achieve better coordination between them, realize coordinated development.</p>