Changes in Any of the Following Variables Contribute to Changes

Multiple Choice

Changes in any of the following variables contribute to changes in GDP. Which one typically changes most over short periods of time?

A) the labour- force participation rate
B) the number of workers who are available to work and the output produced per worker
C) the number of workers who are available to work
D) the number of employed workers as a portion of the number of workers available to work
E) the output produced per worker