Do you know that 46% of warehouses face problems in inventory management due to human error? Poor inventory management is one of the common issues that causes a business to lose its profits. According to one research, 34% of businesses delivered the order late because they sold an item that was stocked out. As a result, this can impact customer’s trust and business reputation.
To run a business peacefully and profitably, following the right approach for inventory planning & management is important. This can be fulfilled by following the right inventory policies. in this article, we will discuss about the features of demand planning & policy-based planning. Along with this, we will also cover the significance of inventory policies, types, and various other aspects to help you optimize your inventory management in the right way.
Table of Contents
What Are Inventory Policies? How Does It Help in Demand Planning and Inventory Optimization?
In simple words, if I say, inventory policies are rulebooks for managing and controlling inventory and stocks of goods in a more efficient way to fulfil customer needs as well company’s needs. These policies help businesses prevent unwanted future surprises by making strategic decisions in the supply chain.
The right inventory policy can be identified by a detailed inventory analysis of demand patterns, lead time for replenishment, storage costs, and production timelines.
Inventory management ensures that the right amount of inventory is available at the appropriate moment, minimizing excess stock or shortages.
Distinctive Characteristics of Demand Planning and Policy-Based Planning
Data analysis and demand forecasting are crucial factors for managing inventory and supply chain operations in an efficient way. It is important to understand how demand planning and policy-based planning to implement the right set of rules tailored to your business needs.
Types of Inventory Policies
There are various types of inventory policies and methods. Each policy has its own pros and cons. You must choose suitable inventory policies by considering your company’s specific needs, demand patterns and supply chain requirements. Let’s dive in to learn about types of inventory policies, methods, and other terms.
Continuous Review Policy
This inventory policy gives an idea about planning the stock unit to manage the inventory for ongoing business. It monitors the inventory continuously and places the order for restocking in advance when the stock reaches the lowest level. Overall continuous review policy is best for businesses to manage expensive orders and ensure stable demand.
PROS
✓ Continuous review policies are easy to implement as compared to other policies.
✓ It allows monitoring and updating of the inventory word count in real time.
✓ This policy can be flexibly applied to various items with the changing demands.
✓ Less risk of stocking out and timely replenishment.
CONS
✓ It is time-consuming and needs continuous resources for constant monitoring.
✓ It might lead to overstocking of items in case market demand fluctuates.
Periodic Review Policy
Periodic Review Policy (P System) involves periodically inspecting inventory at specific set times. It simplifies your inventory management by placing orders to return them to desired levels. It is the perfect choice for businesses with changing demands who need periodic analysis of stock and manage their inventory accordingly.
PROS
✓ It allows you to group specific orders with suppliers.
✓ It is time-saving and requires fewer resources because it monitors on specific period of time.
✓ This inventory policy is affordable and best for small business who has tight budgets.
CONS
✓ As it is periodically, the gap between the specific times might lead to inaccurate analysis of orders.
✓ It can be complex in the case of seasonal demands as it can be difficult to predict demand patterns with periodic reviews.
Min-max System
It involves setting minimum and maximum inventory levels to efficiently manage stock. When inventory falls below its minimum level, an order is placed to replenish it to its maximum level, guaranteeing there is always enough stock to meet demand without overstocking or shortages. This method is suitable for items with variable demand profiles and offers an easy yet effective method for controlling inventory levels.
PROS
✓ Any user can understand and implement the min-max inventory policy because it does not require complex calculations.
✓ You can adjust inventory as per the demand and supply conditions of the market.
✓ It helps to reduce holding costs by maintaining an adequate safety stock level.
CONS
✓ It offers limited optimization means it may not achieve the lowest total cost inventory management compared to more sophisticated methods like EOQ or JIT.
✓ Navigating multiple products with differing demand patterns and optimal reorder points can be complex and time-consuming, creating added difficulties.
Types of Inventory Methodologies
Economic Order Quantity
It helps minimize inventory costs by calculating the accurate order quantity. This policy is suitable for businesses with stable demand and high ordering and storage costs.
Advantages and Disadvantages
One of the primary advantages of the EOQ model is its ability to minimize overall inventory costs by balancing the expenses of ordering and holding stock. It incorporates predictive forecasting, which helps reduce stockouts by ensuring timely reordering. Additionally, EOQ lowers storage costs by aligning order quantities with actual demand, preventing excess inventory. However, the main disadvantage is that the model does not consider seasonal or economic fluctuations, making it less suitable for businesses with variable or unpredictable demand patterns.
Just-in-time Inventory Policy
Just-in-Time (JIT) inventory policies minimize inventory by ordering and receiving goods only as needed for production or sales, which reduces storage costs and waste since products don’t remain sitting around too long. JIT relies on strong supply chain coordination with reliable vendors for on-time deliveries – ideal for businesses that rely heavily on predictable schedules and strong supplier partnerships to run smoothly and cost-efficiently.
Advantages and Disadvantages
One of the key advantages of the JIT strategy is its ability to lower holding costs by reducing inventory levels, which in turn decreases carrying expenses such as storage and obsolescence costs. JIT also enhances operational efficiency by streamlining production processes and cutting waste, as products are delivered and used only when required. Additionally, this strategy reduces the need for large storage spaces, freeing up valuable floor area for other purposes or lowering facility costs. By decreasing the amount of capital tied up in inventory, companies can also improve their cash flow management, allowing for more flexibility in financial operations.
However, the JIT model has its drawbacks. It requires a strong reliance on suppliers for timely deliveries, creating vulnerabilities in the supply chain that could lead to disruptions. Furthermore, implementing this strategy involves coordinating various departments, suppliers, and logistics partners, making the process more complex and requiring careful management to ensure smooth execution.
Two-bin System
The Two-Bin System inventory policy is an efficient and straightforward method for controlling stock. Inventory is divided between two bins; when one bin empties, that signifies it’s time for a reorder; this system ensures an uninterrupted supply of items without frequent monitoring – perfect for managing small, often used products and avoiding stockouts.
Advantages and Disadvantages
One of the major advantages of the Two-Bin System is its simplicity, requiring minimal resources and training to implement. It provides a clear, visual indicator of stock levels, making it easy to determine when to reorder items. The system also maintains a buffer stock in the second bin while the first bin is being replenished, reducing the likelihood of stockouts. It is especially effective in managing low-cost, small products with consistent demand.
However, there are some drawbacks. The Two-Bin System requires additional storage space for the second bin. It can also lead to overstocking if demand decreases or if reorder quantities aren’t adjusted to reflect changes in demand. Additionally, this method can be difficult to scale up or apply to more complex inventory systems or a large number of products.
Vendor Management Inventory (VMI)
Vendor-managed inventory (VMI) refers to when suppliers manage and replenish inventory based on an agreed level, relieving buyers of inventory management tasks. VMI strengthens supplier relationships while making the supply chain more efficient; businesses using this approach find it a great way to streamline operations while keeping products available without stockouts or overstock.
Advantages and Disadvantages
One of the key advantages of VMI is that it provides real-time visibility into inventory levels and demand trends, improving supply chain efficiency. It also helps to strengthen partnerships with suppliers through better collaboration and communication, ensuring timely replenishment and minimizing the risk of stockouts. This leads to improved customer satisfaction. Additionally, VMI allows companies to focus on their core competencies and strategic tasks instead of day-to-day inventory management.
On the downside, VMI is highly dependent on the performance of suppliers. Any issues with supplier reliability or disruptions in the supply chain can pose significant risks. Furthermore, the initial setup costs and ongoing management expenses associated with implementing VMI may impact overall cost savings and return on investment, making it a potentially costly solution in the long term.
ABC Classification
The ABC classification method is also a popular SKU classification method for managing high-value demands. In this method, inventory is categorized into three classes A, B, and C based on importance and value. This way, you can focus on high-value and demanding items effectively. Below is how the items are classified in the ABC classification policy:
✓ A-items: High-value, low-frequency items.
✓ B-items: Moderate value and frequency items.
✓ C-items: Low-value, high-frequency items.
Advantages and Disadvantages
One of the key advantages of the ABC classification method is that it allows businesses to focus on high-priority items, ensuring that inventory is managed based on importance. This approach can also lead to increased revenue by efficiently allocating resources according to the priority of each item class. Additionally, the method provides better control over inventory by allowing businesses to apply specific strategies for each class (A, B, C), optimizing overall inventory management.
However, managing this system can be challenging for large businesses with a vast number of SKUs. The administrative workload of classifying and monitoring each item based on value and frequency may become complex, requiring careful management to avoid inefficiencies.
Alternative Approach
Well, there are also many other alternatives you can use other than inventory policies. Apart from the above inventory policy type, you can also use proven strategies and other techniques for efficient inventory management. Below are some of the useful options you can consider.
✓ Use data analytics for stock and inventory analysis
✓ Integrate your business with mobile technology.
✓ Forecast your inventory for better decision-making
✓Plan material requirements and conventional manufacturing strategy
✓ Try using a consignment inventory strategy
✓ Use automated tools for inventory management
Final Thoughts
Inventory management on pen & paper or Excel sheets are history now. Choosing the right inventory policies is crucial to managing the stock and running a successful supply chain. Hope you find this article useful to explore various types of inventory policies.
If you want to achieve a well-managed warehouse and optimize your supply chain process, we can help you to increase your business profit by reducing your handling costs. Reach out to Log Hub for inventory optimization and other inventory solutions.
Author
Ritik Luthra, CCO at Log-hub
STILL CURIOUS?
More resources are waiting for you in our Resource Library.
WANT TO TALK TO US?
Great! Our experts would be thrilled to talk to you.
NEED SUPPORT?
Contact us via email and get your answers within 24 hours.
Recent Comments