, 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 …

; 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 …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 …

to predict stock or bond market returns. Recent research argues that these results may be driven by an aggregate time …

winners from the first study cohort were slightly less likely to graduate on time than control applicants, suggesting that …

Participation (SIPP). We then exploit variation in laws governing divorce across states and over time to quasi … divorce significantly increases the probability of full-time employment later in life, and significantly decreases retirement … does not impact full-time employment after age 50 but is positively associated with investment in education post marriage …

math tests, have larger test score gains over time, have fewer absences and disciplinary incidents, are less likely to …

average returns. This rules out typical risk-based explanations and is a challenge to structural models of time …