Do migrants rob jobs? Lessons of Australian history, 1861-1991

Historically, lands of recent settlement have had a thirst for immigrants, but one that has been procyclical (negatively related to unemployment rates). For a period in the early 1980s, Australia's major political parties supported high immigration in spite of rising unemployment. This article explores the long-run relationship between immigration and local unemployment, posing the question, 'Do migrants rob jobs?' It also seeks to apply long-run historical analysis to recent economic debate: would Australia's unemployment rate have been lower in very recent times without so many immigrants?