All public policies regarding taxation and the redistribution of income rely on assumptions about the long-run effect of wages rates on labour supply. The variation in existing estimates calls for a simple, natural experiment in which men can change their hours of work, and in which wages have...

The employment rate of black men, and particularly of low-skilled black men, fell precipitously between 1960 and 2000. At the same time, their incarceration rate rose. This paper examines the relation between immigration and these trends in employment and incarceration. Using data from the...