In the production function, the paper derived China's actual trend of the marginal cost function under the assumption that there is adequate supply of labor in the coal industry.

在生产函数的基础上，本文推导出在劳动要素充分供给的假设下，我国实际煤炭产业边际成本函数的变化趋势。

youdao

For example, some researchers find that the economy-wide cost of a carbon tax would be considerably lower if the revenue were used to reduce marginal tax rates on labor, capital, or personal income than if it were used to offset costs imposed on low-income households.

FORBES: Carbon Tax Getting Serious Consideration As CBO Seeks To Address Regressiveness