Introduction Part 1: The Determinants of Language Proficiency 1. A Model of Destination-language Acquisition: Application to Male Immigrants in Canada 2. Language Skill Definition: A Study of Legalized Aliens 3. Language Choice Among Immigrants in a Multi-lingual Destination 4. Language in the Immigrant Labor Market 5. Parents and Children Talk: English Language Proficiency within Immigrant Families Part 2: The Effects of Language Proficiency on Labor Market Outcomes 1. Immigrant Earnings: Language Skills, Linguistic Concentrations and the Business Cycle 2. Schooling, Literacy, Numeracy and Labor Market Success 3. Language Skills and Earnings Among Legalized Aliens 4. Language and Labor Supply: The Role of Gender Among Immigrants in Australia 5. Immigrant Adjustment in Israel: The Determinants of Literacy and Fluency in Hebrew and the Effects on Earnings Part 3: The Interaction of Language and Earnings among Immigrants 1. The Endogeneity between Language and Earnings: International Analyses 2. Speaking, Reading, and Earnings Among Low-skilled Immigrants 3. The Linguistic and Economic Adjustment of Soviet Jewish Immigrants in the United States, 1980-2000 Part 4: Language and Earnings among the Native Born 1. The Economic Cost to Native-born Americans of Limited English Language Proficiency, Report Prepared for the Center for Equal Opportunity, August 1998 2. Earnings in Canada: The Roles of Immigrant Generation, French Ethnicity, and Language 3. Indigenous Language Skills and the Labor Market in a Developing Economy: Bolivia Part 5: Language, Networks and Enclaves 1. Do Enclaves Matter in Immigrant Adjustment? 2. Ethnic Networks and Language Proficiency Among Immigrants Part 6: Linguistic Distance 1. The Effect of Linguistic Distance and Country of Origin on Immigrant Language Skills: Application to Israel 2. Linguistic Distance: A Quantitative Measure of the Distance between English and other Languages.