The number of new cars produced in a given time period in the United States is a flow measure, while the number of cars in the United States is a stock measure.

Question

Quizplus · Accepted Answer

A flow measure refers to the amount of a resource or good that is produced, consumed or transferred within a certain period of time, while a stock measure refers to the amount of a resource or good that is currently present or accumulated at a certain point in time. Therefore, the number of new cars produced in a given time period is a flow measure, while the number of cars in the United States is a stock measure.

The Number of New Cars Produced in a Given Time