Business Operations: Production Processes
How a business makes its products affects cost, quality and flexibility, so choosing the right production method matters. For AQA GCSE Business 8132 you need to compare job, batch and flow production, and explain how lean production and just-in-time reduce waste.
Job and batch production
Job production makes one product at a time to the customer's exact requirements, such as a wedding cake, a tailored suit or a fitted kitchen. Quality is high and customers pay premium prices, but it is slow, labour costs are high because skilled workers are needed, and output per worker is low.
Batch production makes groups of identical products before switching to the next batch. A bakery might bake a batch of white loaves, then a batch of wholemeal. BrewDog uses batch production at its Ellon brewery in Scotland, brewing separate batches of beers such as Punk IPA so it can offer variety while keeping some economies of scale. Batch production is more flexible than flow production and cheaper per unit than job production, but time is lost cleaning and resetting equipment between batches, and part-finished stock ties up money.
Flow production
Flow production makes identical products continuously along an assembly line, with each worker or machine completing one small task before the product moves on. Car plants and drinks bottling lines are classic examples. Because output is huge and tasks are repetitive, flow production achieves very low unit costs through economies of scale, and automation makes quality consistent.
The drawbacks mirror the benefits. Flow production is capital intensive: the machinery costs millions, so it only pays off with high, steady demand. Products are standardised, so customisation is difficult. A breakdown at one point can stop the entire line, losing output every minute. Repetitive work can also bore workers, lowering motivation and increasing mistakes or staff turnover. A business choosing flow production trades flexibility for volume and low unit costs, which is why it suits mass-market products rather than niche ones.
Lean production and just-in-time
Lean production is an approach that aims to cut waste of every kind: wasted materials, wasted time, wasted movement and wasted stock. Less waste means lower costs, which allows lower prices or higher margins.
The best-known lean method is just-in-time (JIT) stock control. Materials arrive from suppliers just before they are needed, so the business holds little or no stock. Benefits include lower storage costs, less money tied up in stock and less risk of stock going out of date or out of fashion. The risks are serious, though: if a supplier delivers late, production stops and customers are let down, so JIT depends on very reliable suppliers and accurate demand forecasts. Many UK manufacturers rethought pure JIT after supply delays in recent years, holding small buffer stocks of critical parts as insurance.
Key terms
Practice questions
State two features of flow production. [2 marks]
Model answer guidance: Products are made continuously on an assembly line. The products are identical or standardised. It usually relies heavily on machinery rather than skilled hand work.
Explain one benefit of batch production for a bakery. [3 marks]
Model answer guidance: Batch production lets the bakery make a variety of products with the same equipment, such as a batch of white loaves followed by a batch of rolls. This variety attracts more customers than a single product would. At the same time, making items in groups keeps the cost per unit lower than making each item individually.
Analyse one risk to a manufacturer of using just-in-time stock control. [6 marks]
Model answer guidance: With JIT the manufacturer holds almost no stock of materials, so it depends completely on suppliers delivering on time. If a delivery is late because of transport problems or a supplier failure, production stops, workers stand idle and orders to customers are delayed. Missed deliveries can cost the business sales and damage its reputation for reliability, which may outweigh the savings JIT makes on storage costs.
A furniture maker currently uses job production and is considering moving to batch production. Analyse how this change might affect the business. [9 marks]
Model answer guidance: Batch production would let the furniture maker produce standard designs in groups, cutting the time and cost per item and allowing lower prices that attract more customers. However, the business would lose some of the customisation that job production offers, which may drive away customers who wanted unique, made-to-measure pieces and paid premium prices for them. The overall effect depends on the market: if demand for standard designs is strong, the lower unit costs should raise total profit, but the firm risks losing its reputation for craftsmanship, so keeping a small job-production line alongside batches could protect both revenue streams.
A growing craft brewery must decide between continuing with batch production or investing in flow production equipment. Recommend which option it should choose. Justify your answer. [12 marks]
Model answer guidance: Batch production suits a craft brewery because it allows a range of beers, seasonal specials and small trial brews, which is exactly how BrewDog built its range at its Ellon brewery. Flow production would cut unit costs through continuous output, but it needs huge, steady demand for one standard product and very expensive equipment, and it would reduce the variety that craft beer customers expect. The decision depends on demand: unless one beer sells in supermarket-scale volumes, the machinery would sit underused and the investment would not pay back. I recommend staying with batch production while demand is spread across many beers, and only moving the single best-selling beer to a dedicated high-volume line if its sales grow large and stable enough to justify the capital cost.
Examiner tips
- Match the production method to the product in the question: unique and customised suggests job, variety suggests batch, huge standard volumes suggest flow.
- Unit cost is the key thread here; show how each method raises or lowers the average cost of one item.
- For JIT questions, always weigh the storage savings against the risk of supplier failure stopping production.
In The Business School simulation your students make these exact decisions in a live market against rival firms — every choice mapped to the specification. Free teacher demo, no installs, students join with a PIN.