Supply and demand curves express relationships between price and quantity. Equilibrium exists when supply equals demand. The shape of these curves and the equilibrium price affect small and large ...

As investors, it’s important for us to understand both accounting and economic concepts, like the equilibrium level of income -- it makes us better at choosing good companies that can go the distance.

Yarilet Perez is an experienced multimedia journalist and fact-checker with a Master of Science in Journalism. She has worked in multiple cities covering breaking news, politics, education, and more.