We analyze how fatal shootings in high schools affect schools and students using data from shooting databases, school report cards, and the Common Core of Data. We examine schools’ test scores, enrollment, and number of teachers, as well as graduation, attendance, and suspension rates at...

Canada’s population has been aging steadily for several decades. In 1976, the median age of men in the population was only 27.2 years, but by 2013, had risen to 39.4 years. The trend reflects both an increase in the life expectancy of Canadians at birth and also the impact of the aging...

La population du Canada vieillit depuis plusieurs décennies. En 1976, l’âge moyen des hommes n’était que de 27,2 ans, alors qu’il atteint 39,4 ans en 2013. La tendance reflète à la fois une augmentation de l’espérance de vie des Canadiens à leur naissance, mais aussi l’impact du...

The paper considers how to measure capital in a model where technical progress is either embodied in new units of capital or it is "disembodied" and simply causes the price of capital services to fall. The disembodied case is considered in sections 2-4. Sections 2 and 3 set out standard vintage...