NO.PZ2022090802000012
问题如下：
Which of the following is most likely to increase a business's operating leverage?选项：
A.Reducing prices B.Borrowing rather than issuing equity C.Using casual labor rather than a salaried work force解释：
SolutionA is correct. Reducing prices decreases the business's margin, and as such, it increases its sensitivity to changes in demand, revenue, and costs and its operating leverage. The choice between debt and equity financing has no bearing on operating leverage, although it should be noted that interest expenses on debt are contractually determined payments, while dividends are discretionary payments. Using casual labor rather than a salaried work force reduces the fixed employee expenses, which reduces operating leverage.
Degree of Operating Leverage = Q(P - VC)/(Q(P-VC) - FC)，那我用casual labor的话，我VC变小了呀，所以Q(P - VC)变大了，不选C是因为DOL一定小于1吗？（小于1的分子分母同时加一个常数，分数变大）
