Vitamins A, D, E, and K are fat-soluble. B vitamins and vitamin C, on the other hand, are water-soluble. Vitamin A. Vitamin A is found in many yellow-colored fruits and vegetables. Good sources include: sweet potatoes; winter squash; carrots; dark leafy-green vegetables; fatty animal tissue, such as liver or fish
A negative externality (also called external cost or external diseconomy) is an economic activity that imposes a negative effect on an unrelated third party. It can arise either during the production or the consumption of a good or service.
Negative and positive externalities. In the case of pollutionâthe traditional example of a negative externality âa polluter makes decisions based only on the direct cost of and profit opportunity from production and does not consider the indirect costs to those harmed by the pollution.here are differences between private returns or costs and the costs or returns to society as a whole. Smoking is bad for you (photo: Radius Images/Corbis). Consumption, production, and investment decisions of individuals, households, and firms often affect people not directly involved in the transactions.