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本文在测算棉花滑准税率、进口平均关税率、国产棉花和进口棉花的自价格和交叉价格弹性的基础上,利用COMPAS模型定量分析了棉花滑准税率调整对国产棉花和进口棉花价格的影响。研究表明,滑准税率上调,棉花销售量虽有下降,但由于国产棉花价格上涨幅度大于销售量下降幅度,使我国棉农收入增加,从而提高了棉农种棉的积极性,增加了国产棉的供给。为保证棉农收入与棉花产业健康发展,本文提出了适当提高滑准税的基准价格等政策建议。
Based on the calculation of the cotton sliding tax rate, the average tariff rate of import, the self-price of domestic cotton and imported cotton and the cross-price elasticity, the paper uses the COMPAS model to quantitatively analyze the influence of the adjustment of the cotton slide rate on the price of domestic cotton and imported cotton. The research shows that although the sliding tax rate increases and the sales of cotton decrease, the increase of domestic cotton price increases the income of cotton farmers in our country, which increases the enthusiasm of cotton farmers and increases the supply of domestic cotton. In order to ensure the cotton farmers’ income and the healthy development of the cotton industry, this paper puts forward some policy suggestions such as raising the base price of the sliding standard tax appropriately.