Definition och Betydelse av "[vote] with {one's} [pocketbook|dollar|purse]"

What is the origin of the idiom "vote with one's pocketbook" and when to use it?

The idiom "vote with one's pocketbook" originated in the United States in the early 20th century. It emerged during a time when consumerism was on the rise and individuals began to recognize the power of their purchasing decisions. The phrase draws a parallel between the act of voting in elections and the act of making consumer choices.