Two-State spatial dynamics in the absence of age. Cyclically stable populations. Stabilization, birth waves, and the surge in the elderly. Mathematical Population Studies . Exploring Cyclic Net Reproduction.
Population momentum expresses population aging.
Momentum under a gradual approach to zero growth. The effect of attitudes and economic activity on marriage behavior. Family demography, social theory, and investment in social capital. Social Biology . Acta Psychiatrica Scandinavica .