A detailed longitudinal dataset is assembled containing annual performance and biographical data for every player over the entire history of professional major league baseball. The data are then aggregated to the team level for the period 1920-2009 in order to test whether teams built on a more...

Data from the 2002 and 1994 General Social Survey are used to analyze the determinants of retiring due to mandatory retirement and the expected age of retirement in Canada. Changes between 1994 and 2002 are decomposed into a component attributable to shifts in the composition of respondents and...

We study the propensity of disabled persons to engage in volunteer activity with the Participation and Activity Limitation Survey (PALS) -- a unique Canadian dataset which provides extensive information on disabled persons as well as volunteering behaviour. Our principal focus is on the effects...