Wong, Pui Hang. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references (leaves 58-61). / Abstracts in English and Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Characterizing Illegal Immigrants --- p.2 / Chapter 1.2 --- Job Displacement --- p.5 / Chapter 2 --- Minimum Wage Unemployment --- p.10 / Chapter 2.1 --- The Basic Model --- p.11 / Chapter 2.2 --- The Effect of Illegal Immigration --- p.14 / Chapter 2.2.1 --- The Solow Model --- p.15 / Chapter 2.2.2 --- The Decentralized Ramsey Model --- p.21 / Chapter 3 --- Frictional Unemployment --- p.26 / Chapter 3.1 --- The Basic Model --- p.27 / Chapter 3.1.1 --- The Economy with Illegal Migrants --- p.32 / Chapter 3.2 --- Productivity Effect --- p.36 / Chapter 3.2.1 --- Comparative Statics --- p.38 / Chapter 3.2.2 --- Unemployment --- p.40 / Chapter 3.3 --- Exploitation Effect --- p.41 / Chapter 3.3.1 --- A Simulation Example --- p.47 / Chapter 3.4 --- Immigration Controls --- p.48 / Chapter 3.4.1 --- Workplace Sanction --- p.49 / Chapter 3.4.2 --- Deportation & Border Patrol --- p.53 / Chapter 4 --- Conclusion --- p.56