Final answer:
A potential drawback to the quantitative management perspective is that assumptions may not be realistic, leading to flawed decision-making.
Step-by-step explanation:
A potential drawback to the quantitative management perspective is that assumptions may not be realistic. This means that the models and techniques used in quantitative management may not accurately represent real-world situations, leading to flawed decision-making. For example, if a company uses a forecasting model that assumes stable market conditions but the market is actually highly volatile, the decisions based on the model may be ineffective.