When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
By Thomas Malthus. In many countries, supplies of food and water are inadequate to support the population, so the world falls deeper and deeper into what economists call the "Malthusian trap.". (Text refers to another publication of this book.).
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.