(完整版)供应链管理第三版Unit8习题与答案
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Chapter 8
Aggregate Planning in the Supply Chain
True/False
1. The goal of aggregate planning is to satisfy demand in a way that minimizes
profit.
Answer: False
Difficulty: Easy
2. Aggregate planning is a process by which a company determines levels of
capacity, production, subcontracting, inventory, stockouts, and even pricing over
a specified time horizon.
Answer: True
Difficulty: Moderate
3. Aggregate planning solves problems involving aggregate decisions rather than
stock keeping unit (SKU) level decisions.
Answer: True
Difficulty: Easy
4. Traditionally, much of aggregate planning is focused within an enterprise and
may not always be seen as a part of supply chain management.
Answer: True
Difficulty: Moderate
5. Aggregate planning is an important supply chain issue because, to be effective, it
requires inputs from throughout the supply chain, but its results have little impact on the supply chain.
Answer: False
Difficulty: Moderate
6. Short-term production serves as a broad blueprint for operations and establishes
the parameters within which aggregate planning decisions are made.
Answer: False
Difficulty: Easy
7. The aggregate planning problem is concerned with determining the production
level, inventory level, and capacity level (internal and outsourced) for each period that maximizes the firm’s profit over the planning horizon.
Answer: True
Difficulty: Moderate
8. To create an aggregate plan, a company must specify the planning horizon for
the plan and the duration of each period within the planning horizon.
Answer: True
Difficulty: Easy
9. A planning horizon is usually between three and five years.
Answer: False
Difficulty: Moderate
10. A poor aggregate plan can result in improved sales and profits if the available
inventory and capacity are unable to meet demand.
Answer: False
Difficulty: Easy
11. A poor aggregate plan may result in a large amount of excess inventory and
capacity, thereby raising costs.
Answer: True
Difficulty: Moderate
12. The aggregate planner must make a trade-off between capacity, inventory, and
backlog costs.
Answer: True
Difficulty: Moderate
13. An aggregate plan that increases one cost typically results in the increase of the
other two.
Answer: False
Difficulty: Moderate
14. The time flexible strategy is where the production rate is synchronized with the
demand rate by varying machine capacity or hiring and laying off employees as
the demand rate varies.
Answer: False
Difficulty: Hard
15. The time flexible strategy is where workforce (capacity) is kept stable but the
number of hours worked is varied over time in an effort to synchronize production with demand.
Answer: True
Difficulty: Moderate
16. The mixed strategy is where a stable machine capacity and workforce are
maintained with a constant output rate with inventory levels fluctuating over time.
Answer: False
Difficulty: Hard
17. Most strategies that an aggregate planner actually uses are in combination, and
are referred to as mixed strategies.
Answer: True
Difficulty: Easy
18. A highly effective tool for a company to use when it tries to maximize profits while
being subjected to a series of constraints is aggregate programming.
Answer: False
Difficulty: Moderate