662_Lecture 1_Final

Discount rate interest rate used for determining

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: mist, observed that populaEon grew at a geometric (or exponenEal) rate but food increased at a linear rate, thus we were bound to run out of food. •  Since that Eme, human populaEon has grown from 1 billion to 7 billion and there seems to be enough food. How is that possible? •  some economists argue that human ingenuity can always overcome potenEal shortages, that “necessity is the mother of invenEon.” Casey Brown - Hydrosystems Research Group RevisiEng Malthus •  EsEmated human appropriaEon of water = 15 – 30% of available and renewable water resources •  Physically, there may be enough water on a global basis •  But, •  Already evidence that locally use is not sustainable Casey Brown - Hydrosystems Research Group Casey Brown - Hydrosystems Research Group Casey Brown - Hydrosystems Research Group Flow at end of the Colorado River Casey Brown - Hydrosystems Research Group Casey Brown - Hydrosystems Research Group Casey Brown - Hydrosystems Research Group The concept of sustainability •  Economic approach – Maximize income while maintaining or increasing stock of capital. Here can think of capital as our resources, including financial, natural and...
View Full Document

Ask a homework question - tutors are online