Yes, a normal good is a good that's demand increases as your income increases, an inferior good is a good that's demand decreases when income increases. An example of a normal good, is easy to find,...
Consuming quality good have a deleterious effect on the world economy. (or at least on the expansionary model we work with at present) Mass producers of poor quality products stimulate production...
Normal and inferior goods are classification given by economists to to goods judging on their behavior. Normal good is the most common type. It is said a good is normal when it's consumption...