Cohort analysis is a new practical method for e-commerce customers' research, trends in their behavior, and experience during the COVID-19 crisis. The purpose of the research is to validate the efficiency of this method on the e-commerce records data set and find out the critical factors...

This paper examines anonymous and non-anonymous Growth Incidence Curves (GICs) for after-tax disposable income for Ireland during its recovery period after the Great Recession, 2012-19. In the absence of suitable panel data the non-anonymous GICs were constructed on a cohort basis with cohorts...

Based on social security data, this paper analyzes wage trends for full employed males by estimating (censored) quantile regressions as functions of age, cohort, education, and year. We test whether a parsimonious specification separating life cycle effects from macroeconomic effects can...