进口产品种类提高了企业成本加成吗

当代财经 ›› 2020, Vol. 0 ›› Issue (3): 114-125.

进口产品种类提高了企业成本加成吗

许统生, 方玉霞

江西财经大学国际经贸学院,江西南昌 330013

收稿日期:2019-11-17 修回日期:2020-02-15 出版日期:2020-03-15 发布日期:2020-12-11
通讯作者: 方玉霞,江西财经大学博士研究生,主要从事国际贸易理论与政策研究,联系方式fangyuxia27@126.com。
作者简介:许统生,江西财经大学教授,博士生导师,主要从事国际贸易理论与政策研究
基金资助:
国家自然科学基金项目“广义Armington替代弹性模型的拓展构造与中国贸易发展的预期应用研究”（71773042）; 国家自然科学基金项目“贸易便利化对中国企业出口行为影响的经验分析”（71863013）; 国家自然科学基金项目“中国国内商品市场整合研究：测度、影响机制与效应分析”（71940011）; 江西省研究生创新专项资金资助项目“基于微观层面的中国可加贸易成本的估计及对福利的影响”（YC2018-B049）

Has Imported Product Variety Raised Corporate Cost-Plus?

XU Tong-sheng, FANG Yu-xia

Jiangxi University of Finance and Economics, Nanchang 330013, China

Received:2019-11-17 Revised:2020-02-15 Online:2020-03-15 Published:2020-12-11

摘要/Abstract

摘要： 将2000—2007年中国工业企业数据库和海关统计数据库进行匹配,使用双重差分法及工具变量法研究进口产品种类对企业成本加成的影响。研究结果表明：从总体上看,进口产品种类与企业成本加成呈U型关系,即进口产品种类增加,企业成本加成下降,当企业进口产品种类增加到一定门槛值之后,企业成本加成上升;从分样本来看,进口产品种类对企业成本加成的影响具有明显异质性,其依赖于企业进口贸易方式、企业技术水平、企业进口产品类型以及企业所在地区;机制检验表明,进口产品种类通过竞争效应和技术溢出效应影响企业成本加成。因此,为提高企业成本加成,企业应不断提高进口产品种类,政府应针对不同技术类型、不同地区、不同贸易方式、不同产品类型采取差异化的进口发展战略。

关键词: 进口, 产品种类, 企业成本加成, 企业异质性

Abstract: By employing the difference-in-difference method and the instrumental variable method, this paper matches China Industry Business Performance Database with the customs statistical database from 2000 to 2007 to study the impact of imported product variety on corporate cost-plus. The results indicate that, in general, there is U-shaped relationship between the imported product variety and corporate cost-plus,that is to say, with the increase of imported product variety, the corporate cost-plus would fall down. When the imported product variety reaches a certain threshold value, the corporate cost-plus will go up. Viewing from the sub-samples, the impact of the imported product variety on the corporate cost-plus has obvious heterogeneity, which depends on the type of corporate import trade, corporate technical level, the types of imported products and the location of the enterprises. The mechanism test shows that competitive effects and technology spillover effects are the channels through which the imported product variety affects the corporate cost-plus. Therefore, in order to increase corporate cost-plus, enterprises should continuously increase the imported product variety, and the government should adopt different import development strategies against the different technical levels, different regions, different trade types, and different types of products.

Key words: import, product variety, corporate cost-plus, corporate heterogeneity

中图分类号:

F752.61

许统生, 方玉霞. 进口产品种类提高了企业成本加成吗[J]. 当代财经, 2020, 0(3): 114-125.

XU Tong-sheng, FANG Yu-xia. Has Imported Product Variety Raised Corporate Cost-Plus?[J]. Contemporary Finance & Economics, 2020, 0(3): 114-125.

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