A 1-in.-larger rim diameter and 1-in.-wider rim width is a Plus 1 size upgrade; in this case, the 16-in. rim below. Plus 2 and 3 are shown, slightly exaggerated, on the 17- and 18-in. wheels. Choose a tire that's close to stock height.
(Technically, in the context of aggregate demand, the Y on the horizontal axis represents aggregate expenditure .) As it turns out, the aggregate demand curve also slopes downwards, giving a similar negative relationship between price and quantity that exists with the demand curve for a single good.
US Economy. Definition: Aggregate demand is the overall demand for all goods and services in an entire economy. It's a macroeconomic term that describes the relationship between everything bought within a country and prices. Everything purchased in a country is the same thing as everything produced in a country.