, while the time span of the data remains fixed, and the cross-sectional dimension is fixed or increasing. We derive a Central … Limit Theorem (CLT) for the cross-sectional beta dispersion at a point in time, enabling us to test whether this quantity … beta dispersion, as a function of time-of-day, changes across days. We extend this further by developing inference …

National Time Accounting is a way of measuring society's well-being, based on time use. Its explicit form is the U …-index, for "unpleasant" or "undesirable", which measures the proportion of time an individual spends in an unpleasant state. In …; is U-shaped in age and un-trended over time in the USA although they are trended up in a number of EU countries and …

effects are likely small in comparison to the differences by age revealed in the IALS. We go on to discuss how particular …