开放条件下纵向关联市场的贸易与保护
周勤 , 黄建毅
东南大学经济管理学院，江苏南京，210096
内容提本文应用Spence－Jones (1992)的模型，在理论上推导在开放条件下纵向关联的汽车市场，整车关税的变化对国内汽车产量的影响：在国内厂商规模小的情况下，整车关税的提高（降低）会提高（降低）国内厂商的产量，这个结论在实证分析中得到了证实。本文指出在高关税情况下的产量膨胀并不可取，降低关税并配合适当措施，这对国内汽车产业具有正面意义，这一结论对类似的产品市场的贸易与保护具有借鉴作用。
关键词:纵向关联市场，关税调整,汽车产业,产量效应
Trade and protection in vertically related markets under opening
Abstract: In this paper, the model established by Spence and Jones (1992) is presented to deduce the following effect of the variation of tariff imposed on cars on the home quantity of cars: if the scale of home firms is small, rise(or decline) of tariff of cars would lead to increase(or decrease) the home quantity. The conclusion is examined through the empirical data. This paper pointed that the phenomena of the quantity inflation would be unfavorable. As a result, home car industry would benefit from the decline of the tariff and the proper policies released by authorities.
Key words: vertically related markets， variation of tariff, car industry, effect of quantity
周勤a , 黄建毅b
a, 东南大学经济管理学院，副教授，江苏南京，210096
南京大学经济学系博士研究生,江苏南京,210093
b,东南大学经济管理学院，江苏南京，210096
Zhou Qin a, Huang Jian-yib
a,b, Southeast University School of Economics and Management ，
Jiangsu Nanjing, 210096
作者单位：东南大学经济管理学院，江苏南京四排楼2号，210096，
电话号码：025－3791154，（0）13016997996，
电子信箱：zhouqin63@seu.edu.cn
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