Abstract
요약
1. Introduction
2. Previous Literatures
3. Definition of Variables, Accounting Frameworks and Statistical Data
3.1 Definitions of Variables
3.2 Statistical Data
3.3 Accounting Frameworks
4. The Empirical Results: The Evolution of the Profit Rate and Its Determinants
4.1 The Empirical Results
4.2 Comments
5. Conclusion
REFERENCES
Appendix 1.