Over 12 million persons migrated to Canada or the United States between 1959 and 1981. Beginning in the mid?1960s, the … Canada stressing skills. This paper shows that the point system used by Canada generated, on average, a more skilled …

, although the wage catch-up is not complete until 13 to 22 years after entry into Canada. These results are revealed clearly in … quality of immigrants' labor market skills declined following changes in Canada's immigration policies in 1974 that led to a … that the variance of immigrant earnings increases with their duration of stay in Canada, and since there are no …

. We examine U.S. and Canadian children with symptoms of Attention Deficit Hyperactivity Disorder (ADHD), the most common … child mental health problem. Our innovations include the use of large nationally representative samples of children, the use … of questions administered to all children rather than focusing only on diagnosed cases, and the use of sibling fixed …

. We provide empirical support for our explanation with a comparison of trends between the U.S. and Canada, and a …

capital accumulation. To distinguish between theories, we use new data on the characteristics of immigrants and non-migrants …

migration narrowed wage inequality in Canada; increased it in the United States; and reduced the relative wage of workers at the …