The above figures show the market for oranges. Which figure(s) shows the effect of new successful advertising campaigns to eat more oranges?

The term "dirty float" is used to describe a

a. black market in foreign currencies. b. floating currency that is "managed" by central bank authorities. c. nation that switches from free to fixed exchange rates. d. currency system used only in inflationary periods.

The key characteristics of a monopolistically competitive market structure include

A) few sellers. B) sellers selling similar but differentiated products. C) high barriers to entry. D) sellers acting to maximize revenue.