The Purpose of Business Activity
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The purpose of business activity is to produce goods or services that meet customer needs
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This is accomplished through the process of production
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The factors of production are combined in such a way so as to minimise the costs and maximise the sales revenue
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Adding value is the process of taking inputs and combining them in such a way that customers find them useful and are willing to pay more for the end product than the value of the raw materials used to manufacture it
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Diagram: The Production Process

The purpose of business activity is to take inputs, add value to them, and create products which meet customer needs
Diagram analysis
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Raw materials and the other factors of production are used to produce goods and services
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Different types of costs are incurred in production, and when the firm sells its products, they receive sales revenue
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If the total costs incurred in the process are less than the sales revenue, the firm will make a profit
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If the total costs incurred in the process are greater than the sales revenue, the firm will make a loss
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Production
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Production is the act of adding value to the factors of production (such as capital, and labour) to create the goods/services e.g. using tomatoes & basil to create a soup
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It is the process of factor conversion of inputs into final product (goods/services)
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It is a measure of output e.g. 3 cans of soup
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Production is often influenced by the state of the economy
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During a recession, production falls
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During a boom period, production increases
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As production is dependent on the demand for goods/services, any change to any of the conditions of demand will result in changes to production
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As production is also dependent on the supply of the factors of production, any change to any of the conditions of supply will result in changes to production
Productivity
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Productivity is a measure of efficiency that calculates the amount of outputs produced per unit of input
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It calculates how efficiently resources are being used in the creation of goods/services & provides a metric for comparison
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E.g Capital productivity is output per unit if capital
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Labour productivity is significant as it is output per worker
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It is a measure of efficiency e.g. 3 cans produced per worker
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E.g After training workers proved to be 27% more efficient in their labour productivity
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Higher productivity is important for a firm & economy for the following reasons
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It lowers costs & improves a firms national & international ability to compete
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It allows firms to produce more output with the same input which puts it in a position to generate increased economies of scale
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Firms can generate higher profits
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Higher profits may mean that the firms can pay their workers more
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Higher profits may mean that the government revenue from corporation tax will increase
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An improved ability to compete in international markets will help to generate economic growth
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Worked Example
The table shows the number of pairs of luxury wool socks produced by Scotty Socks Ltd. in 2021 and 2022.
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Year |
Units Produced |
|---|---|
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2021 |
46,000 |
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2022 |
69,000 |
In 2021, Scotty Socks employed 50 staff. In 2022, the number of staff employed by the business increased by 20%.
Calculate the percentage change in labour productivity between 2021 and 2022. (4)
Step 1: Calculate the labour productivity for 2021
(1 mark)
Step 2: Calculate the labour productivity for 2022
(1 mark)
Step 3: Calculate the percentage difference between the two years ((new-old) / old)
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Different Types of Interrelationships Between Markets
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Markets do not operate in isolation. Interrelationships can exist between markets in several ways
The Interrelationships Between Markets
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Relationship |
Explanation |
Example |
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Joint demand |
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Competitive demand |
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Composite demand |
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Derived demand |
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Joint supply |
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Analysing Interrelated Markets
1. Analysing markets in joint demand
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Changes to the price of one good shift the entire demand curve of a complementary good
Diagram: Markets for Mobiles & Mobile Apps

Increases in price of mobile phones, shift the entire demand curve of mobile apps to the left
Diagram analysis
Market for mobiles
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An increase in price for mobiles from P1→P2 leads to a movement up the demand curve
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Due to the increase in price, there is a contraction in QD from Q1→Q2
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Market for mobile apps
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As a result of price increase for mobile phones, there will be an decrease in demand for mobile apps (the complementary good) as more consumers become buy less
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This causes a shift in demand from D1 to D2. The price remains unchanged at P1 but the demand has decreased from Q1→Q2
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2. Analysing markets in joint supply
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As the production of beef increases, the supply of leather will increase (as it is a by-product of beef)
Diagram: Market for Beef & Leather

An increase in demand for beef increases the the supply of leather
Diagram analysis
Market for beef
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If the real income of individuals of a country increase, there may be an increase in demand for beef (considered a normal good)
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This causes a shift in demand from D1 → D2. The price has increased from P1 → P2 and the quantity has increased from Q1 → Q2
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Market for leather
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When there is an increase of quantity of beef, there will be an increase in the supply of leather
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This is a shift in supply from S1 to S2. The price decreased from P1 → P2 and the supply has increased from Q1 → Q2
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