The demand curve is one of the fundamental concepts of economics. It illustrates the relationship between the price of a good or service and the demand for that product, that is, the way a change in ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

DOWNWARD SLOPING DEMAND CURVES....Megan McArdle: The cable news shows this morning were full of wide-eyed anchor larvae reporting that with gas prices high, people were driving less, and instead using ...