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.
variable costing. a method of inventory costing in which all variable manufacturing costs (direct and indirect) are included as inventoriable costs. all fixed manufacturing costs are excluded from inventoriable costs and are instead treated as costs of the period in which they are incurred.