Introduction: Immigrants and the Economy, A Starting Point; Immigrants and Labor Markets: Rethinking the Effect of Immigration on Wages (G I P Ottaviano and G Peri); Task Specialization, Immigration and Wages (G Peri and C Sparber); Immigration, Offshoring and American Jobs (G I P Ottaviano, G Peri and G C Wright); Immigration, Jobs and Labor Market Institutions: Evidence from Europe (F D'Amuri and G Peri); The Labor Market Effects of Immigration and Emigration in OECD Countries (F Docquier, C Ozden and G Peri); Immigrants and Productivity: The Economic Value of Cultural Diversity: Evidence from US Cities (G I P Ottaviano and G Peri); The Effect of Immigration on Productivity: Evidence from US States (G Peri); STEM Workers, H1B Visas and Productivity in US Cities (G Peri, K Shih and C Sparber); Openness and Income: The Roles of Trade and Migration (F Ortega and G Peri); Immigration Policies and Migrant Mobility: The Effect of Income and Immigration Policies on International Migrations (F Ortega and G Peri); The Cross-Country Determinants of Potential and Actual Migration (F Docquier, G Peri and I Ruyssen).