Little research has been done on the body mass index values of 19th century US African-Americans and whites. This paper uses 19th century US prison records to demonstrate that although modern BMIs have increased in the 20th century, 19th century black and white BMIs were distributed...

This paper examines the impact of immigration on labour productivity in Canada. Immigration is a factor that has been largely ignored in the literature on Canadian productivity growth. A simplified growth accounting approach is utilized to estimate the reduction in labour productivity in Canada...