本文利用空间价格梯度场模型分析了森林认证对关税壁垒的替代效应，并在最后提出了相关建议。

This paper analyzes the substituting effect of forest certification against tariff barriers using a space-price gradient model, and gives Suggestions.

youdao

本文利用空间价格梯度场模型分析了森林认证对关税壁垒的替代效应，并在最后提出了相关建议。

This paper analyzes the substituting effect of forest certification against tariff barriers using a space-price gradient model, and gives Suggestions.

youdao