如题所示,在机制检验时,许多文献将产业发展(第二产业增加值占比)作为控制变量,又将产业结构(第二产业与第三产业增加值比重/第三产业增加值占比)作为中介变量,这样相关的两个变量可以同时放入机制检验的方程中吗?如果不可以,有什么具体的解决方法呢?参考文献如下:
1.ZENG S, JIN G, TAN K, et al. Can low-carbon city construction reduce carbon intensity?Empirical evidence from low-carbon city pilot policy in China[J]. JOURNAL OF ENVIRONMENTAL MANAGEMENT, 2023, 332.
2.HUO W, QI J, YANG T, et al. Effects of China's pilot low-carbon city policy on carbon emission reduction: A quasi-natural experiment based on satellite data[J]. Technological Forecasting and Social Change, 2022, 175 121422.


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