Yi, Junjian. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references (leaves 88-98). / Abstracts in English and Chinese. / Chapter 1 --- The Effect of the One-Child Policy on the Sex Ratios Imbalance in China --- p.1 / Chapter 1.1 --- Introduction --- p.2 / Chapter 1.2 --- Background --- p.9 / Chapter 1.2.1 --- The One-Child Policy in China --- p.9 / Chapter 1.2.2 --- The Increase of the Sex Ratio in China --- p.13 / Chapter 1.3 --- Empirical Strategy and Data Description --- p.16 / Chapter 1.3.1 --- Empirical Strategy --- p.16 / Chapter 1.3.2 --- Data Description --- p.21 / Chapter 1.4 --- Empirical Results --- p.25 / Chapter 1.4.1 --- Basic Results --- p.25 / Chapter 1.4.2 --- The Effect of the One-Child Policy by Registration Type --- p.29 / Chapter 1.4.3 --- The Effect of the One-Child Policy by Birth Order --- p.32 / Chapter 1.5 --- Sensitivity Analysis --- p.36 / Chapter 1.5.1 --- The Dynamic Pattern of the DD estimates by Birth Year --- p.37 / Chapter 1.5.2 --- The Geographic Pattern of the DD Estimates by Provinces and Autonomous Regions --- p.41 / Chapter 1.6 --- Conclusion --- p.43 / Chapter 2 --- The Effect of Sex Ratios Imbalance on Criminal Behavior --- p.45 / Chapter 2.1 --- Introduction --- p.46 / Chapter 2.2 --- The Mechanism by which High Sex Ratios Increase Crime Rates --- p.53 / Chapter 2.2.1 --- Demographic Composition Effect --- p.54 / Chapter 2.2.2 --- Marriage Threshold Effect --- p.58 / Chapter 2.3 --- Empirical Strategy and Data Description --- p.64 / Chapter 2.3.1 --- Empirical strategy --- p.64 / Chapter 2.3.2 --- Data Description --- p.67 / Chapter 2.4 --- Empirical Results --- p.72 / Chapter 2.4.1 --- Fixed Effects Estimation --- p.72 / Chapter 2.4.2 --- Fixed Effects Instrumental Variables Estimation --- p.75 / Chapter 2.5 --- Robust Tests --- p.82 / Chapter 2.5.1 --- Measurement Error of Sex Ratios --- p.82 / Chapter 2.5.2 --- Measurement Error of Crime Rates --- p.84 / Chapter 2.5.3 --- Omitted Variables --- p.85 / Chapter 2.6 --- Conclusion --- p.86