Changes in corporate effective tax rates over the past 25 years

Table of Contents

Abstract

List of figures

List of tables

1. Introduction

2. Hypotheses development

3. Sample and descriptive statistics

4. Main results of hypotheses tests
4.1. The effective tax rates of U.S. corporations have decreased over time
4.1.1. Replication of Dyreng et al.'s model
4.1.2. Extension of the sample period to 2021
4.2. The effective tax rates of multinational firms are declining more over time than those of purely domestic firms
4.2.1. Replication of Dyreng et al.'s model
4.2.2. Extension of the sample period to 2021
4.3. For multinationals the effective tax rate on foreign income declines more over time than does the effective tax rate on domestic income
4.3.1. Replication of Dyreng et al.'s model
4.3.2. Extension of the sample period to 2021

5. Determinants of effective tax rates
5.1. The effect of changes in firm characteristics
5.1.1. Replication of Dyreng et al.'s model
5.1.2. Extension of the sample period to 2021
5.2. The effect of changes in the U.S. tax system over time
5.2.1. Replication of Dyreng et al.'s model
5.2.2. Extension of the sample period to 2021

6. Summary of findings

7. Conclusion

8. Appendix

9. References