| Summary: | 碩士 === 中國文化大學 === 會計學系 === 99 === A sample of the listed companies from the TEJ database is used to examine the impact of Taiwan’s Alternative Minimum Tax (AMT) on firm’s book-tax difference. To improve the tax equity and to ensure book-tax difference will be better. We employed a simultaneous equation system on panel data to test the impact on book-tax difference of the sampled firms as well as the overall effect on tax burdens before and after the implementation of the AMT. Main findings of this thesis are as follows:
1. We separated the sample into two groups by a 10% effective tax rate threshold, before the implementation of the AMT. The results show that with the AMT, effective tax rate in the less than 10% group increased, but no significant impact on the equal and over 10% group.
2. With AMT, book-tax difference decreased for our sample firms, an evidence to support the argument that the implementation of AMT will improve the book-tax difference.
3. We used 2SLS with panel data to analyze the relation between book-tax difference and effective tax rate. Our findings showed a statistically significant negative relationship between these two variables.
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