Since Henry Ford first adapted the conveyor belts of grain factories to create an assembly line, there have been several modifications of that basic concept, each of which has made it possible for today’s manufacturers to produce goods from spaceships to cotton balls. Identify four significant new manufacturing process that rely on new technologies and the manufacturing subsectors they affect, and discuss at least one specific application in manufacturing for each technology.

Which of the statements best describes why the aggregate demand curve is downward sloping? an increase in the aggregate price level causes consumer and investment spending to fall, because consumer purchasing power decreases and money demand increases. as the aggregate price level increases, consumer expectations about the future change. as the aggregate price level decreases, the stock of existing physical capital increases. as a good's price increases, holding all else constant, the good's quantity demanded decreases.