In medical research, cross-sectional studies differ from case-control studies in that they aim to provide data on the entire population under study, whereas case-control studies typically include only individuals with a specific characteristic, with a sample, often a tiny minority, of the rest of the population.
(redirected from Variable Expense) Also found in: Dictionary, Wikipedia. A cost that is directly proportional to the volume of output produced. When production is zero, the variable cost is equal to zero. A cost to a person or business that varies over time according to a number of factors.
Definition of VARIABLE EXPENSES. Those that vary with the amount of goods you produce or sell. These may include utility bills, labor, etc. expenses that change with changes in either sales volume. or sales revenue, in contrast to fixed expenses that remain the same. over the short run and do not fluctuate in response to changes in sales. volume or sales revenue.