Based on a recent study by an anthropologist, economic changes have the greatest impact on reducing family size, and thus slowing population growth, compared to other factors. Understanding the causes of declining birth rates may lead to improved policies designed to influence fertility and result in reduced competition for food, water, land and wealth.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/k...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/k...