Introduction

Some general theory of immigration's consequences

The demographic dimensions of immigration into the United States

Behavioral characteristics of immigrants

Effects of immigrants upon the public coffers

How much welfare and public services do immigrants (and natives) use?

The effect of natives' incomes from immigrants' use of capital goods

The effects of technology, productivity, and native human capital

Impacts upon natural resources and the environment

The overall effect of immigrants upon natives' standard of living

Job displacement : theory of immigrants and native unemployment

Empirical studies of labor-market effects

The effects of immigrants upon income distribution and prices

The sending countries, the immigrants themselves, and the world as a whole

The "question" of illegal immigrants and guestworkers

Evaluation of immigration policies

Conclusion and summary of main findings.