Into the future this utility from consumption is discounted at some rate ' Ï ' the rate of time preference for a given individual. Higher values for this rate of time preference imply less satisfaction from future consumption relative to current consumption spending.
Waste products are usually excreted by the kidneys. High levels of waste products in the blood may mean that the kidneys are not working as they should.
hazardous waste. any industrial by-product, especially from the manufacture of chemicals, that is destructive to the environment or dangerous to the health of people or animals: Hazardous wastes often contaminate ground water.