Folks dont like to have somebody around knowing more than they do. it aggravates ‘em. you're not gonna change any of them by talkin' right, they've got to want to learn themselves, and there's nothing you can do but keep your mouth shut and talk their language." - page

elastic potential energy

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .