This paper develops the theoretical foundations and the testable implications of the variousmechanisms that have been proposed as possible triggers for the demographic transition.Moreover, it examines the empirical validity of each of the theories and their significance forthe understanding of...

We investigate the impact of exogenous income fluctuations on health using twenty years ofdata from the Panel Study of Income Dynamics using techniques from the literature on theestimation of dynamic panel data models....

Many North American college students have trouble satisfying degree requirements in atimely manner. This paper reports on a randomized field experiment involving two strategiesdesigned to improve academic performance among entering full-time undergraduates at alarge Canadian university. One...