A stock variable
A) measures a process that takes place over a period of time
B) is used often used to measure the quantity demanded of a good at various prices
C) is related to inventory controls
D) measures a quantity in existence at a moment in time
E) is a definition unique to economics

Question

Quizplus · Accepted Answer

A stock variable measures a quantity in existence at a moment in time, such as the amount of money in a bank account, the number of cars produced by a factory, or the total population of a country.

A Stock Variable