本文利用台灣2010年降低營利事業所得稅稅率之改革，檢驗公司稅率對受雇員薪資之影響。與過去文獻不同之處為，本文考量稅率與公司決策互相影響而產生內生性，因此以工具變數進行兩階段最小平方法以避免產生偏誤。並以綜合所得稅與營利事業所得稅資料對全體受雇員之個體進行分析，而非僅針對上市櫃之公司。最後發現有效稅率下降1% 能提升台灣整體受雇員平均 0.16% 的薪資。而考量個體異質性下，進行次組分析，發現在技術密集產業、大型公司、公司頂層員工所受到的影響較大；而其他產業，中小型公司以及公司基層員工的薪資受到稅率的影響較小，使得政府稅改政策並不如預期提升全民薪資。 / This paper estimates the effect of corporate income tax rate on wage by using the Taiwan Corporate Income Tax Reform of the year 2010 as a natural experiment. Different from the previous literature, we consider the endogenous relationship between the tax rate and the policy of the company. Thus, the two stage least squares method is used to overcome the endogeneity bias. Additionally, our participants include all the individual employees from the data of Individual Income Tax and Corporate Income Tax rather than only the employees of listed company. Our results indicate that a drop of 1% in corporate income tax rate would increase the wage by 0.16%. Furthermore, we test for the heterogeneous firm and worker effects by using subgroup analysis and find the technology-intensive industries, the large companies and the high-classed employees within firm have a greater impact. On the other hand, the non-technology-intensive industries, the small and medium company and the low-classed employees within firms have a smaller impact. Therefore, the Tax Reform didn’t increase the overall wage as expected.
| Identifer | oai:union.ndltd.org:CHENGCHI/G0104255004 |
| Creators | 陳韋安, Chen, Wei An |
| Publisher | 國立政治大學 |
| Source Sets | National Chengchi University Libraries |
| Language | 中文 |
| Detected Language | English |
| Type | text |
| Rights | Copyright © nccu library on behalf of the copyright holders |
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