Population aging is a problem common to many countries: an increasing proportion of retired people, a decreasing proportion of working age, and resultant downward pressure on national product per capita. We explore longer-run aspects of immigration as a policy instrument in this context. We...

OBJECTIVE The paper explores the population effects of male preference stopping rules and of alternative combinations of fertility rates and male-biased birth sex ratios. METHODS The "laboratory" is a closed, stable population with five age groups and a dynamic process represented by a compact...

Background: Surveys of chronic health conditions provide information about prevalence but not about the incidence and the process of change within the population. Objective: We show how the "age dynamics" of chronic conditions - the probabilities of contracting the conditions at different ages,...

The paper considers age-sex patterns of fluctuation of employment, unemployment, labour force participation, hours worked per employee, and hours worked per capita. The patterns are extracted (by regression) from annual data for the period 1976-2011 and expressed in the form of...