Demand deposits are essentially

The aggregate-demand curve shows the quantity of goods and services that firms choose to produce and sell at each price level.

a. true b. false

In a typical college classroom without a seating chart, dozens of students nevertheless occupy classroom seats with a minimum of confusion and disorder. Economics explains the orderly process of seat selection by assuming students

A) engage in entirely random decisions, from which only divine intervention can generate order in the classroom. B) follow a simple, perhaps even unwritten, rule, such as "seats belong to the person who first occupies them." C) know all the consequences of their actions, and thus purposefully create an orderly classroom seating assignment even if the professor doesn't require one. D) trick question: economics cannot deduce any sensible scientific claims about the behavior of college students.