上市公司税负及其影响因素的实证分析

以1994～2004年我国上市公司9536组数据为样本，考察实行分税制以来上市公司税负及其影响因素，结果发现：（1）上市公司税负至少占利润的62．04％，上市公司总体税负并不轻；（2）上市公司总体税负存在地区差异，东部地区税负高于中部和西部地区；（3）上市公司总体税负存在行业差异，2004年度采掘业、房地产业等五个行业平均总体税负较高；（4）总体税负与所得税负担、流转税负担、资产规模、盈利能力、资本密集度和年度变量显著正相关，却与负债水平和投资收益显著负相关。

Tax Burden of Listed Companies and its Affection Factors

Based on 9536 data of China listed companies from 19941 to 2004,we investigate tax burden of listed companies and itas affection factors,the result shows that:(1)tax burden of listed companies accounts for more than 62 percent of profit;(2)there is different form area,the eastern area are higher than western;(3)there is different form industry,mining and estate are higher;(4)tax burden is positively related with income tax burden,size,earnings,capital and year,but negatively related with leverage and invest profit.