Abstract
Ⅰ. Introduction
Ⅱ. Literature Review
Ⅲ. Structural Framework for empirical analysis
3.1 Data
3.2 Variables
3.3 Model
Ⅳ. Result
4.1 Descriptive Statistics
4.2 Correlation
4.3 Lagrange Multiplier test and Hausman test
4.4 The analysis of model (1)
4.5 The analysis of model (2)
4.6 The analysis of model (3)
Ⅴ. Conclusions
국문요약