Siu, Man Tat. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references (leaves 51-54). / Abstracts in English and Chinese. / Acknowledgement --- p.i / Abstract --- p.ii-iii / Table of Contents --- p.iv / Chapter Chapter 1 --- Introduction --- p.1-10 / Chapter Chapter 2 --- Literature Review --- p.11-13 / Chapter Chapter 3 --- Data --- p.14-20 / Chapter Chapter 4 --- Model --- p.21-30 / Chapter Chapter 5 --- Empirical Result --- p.31-43 / Chapter Chapter 6 --- Discussion and Conclusion --- p.44-50 / References --- p.51-54 / Figures and Appendix --- p.55-66