Labour force participation rates vary greatly by age, with persons 55 and over having much lower participation rates than younger persons. Consequently, changes in the demographic composition of the population can exert a long-run effect on aggregate participation rates. In the third article of...

Official data from statistical agencies are not always ideal for cross-country comparisons because of differences in data sources and methodology. Analysts who engage in cross-country comparisons need to carefully choose among alternatives and sometimes adapt data especially for their purposes....