The Agricultural Revolution accompanied, either as a cause or as an effect, important changes in human demographic systems. The consensus model is that fertility and mortality increased and health ...

Benjamin Carton, Emilio Fernández Corugedo, Benjamin L Hunt, and Simon Voigts. "Demographic Transition and Pension Reforms: Adding Demographics to GIMF", IMF Working ...

Following the launch of the recent United Nations Population Fund (UNFPA) report on the state of the world’s population, there has been much worry that the size of Bangladesh’s population has now ...

1 Documenting the impact of herbivores on perennial plants is a particularly acute problem due to the difficulties of quantifying their effects on lifetime reproductive success and survival. 2 Our ...