Where the average costs (of production, distribution and sales) fall as the business increases the amount of product that it produces, distributes and sells
As a business gets bigger it can purchase more advanced machinery and equipment, and larger buildings to produce more, which reduces unit costs and increases profit per unit
A business pays another firm to produce its products, allows for quick capacity increase with minimal investment, but business loses control and reputation could be damaged
Business A and business B want to expand but do not feel they can get any bigger alone, so they decide to come together and share their business locations, stock, marketing, products and staff
Business A decides they want to grow but the area they want to grow into is already occupied by a similar or smaller business, so Business A decides to buy over 50% of the shares in another business to take control
Two competitors join through a merger or takeover, the new business becomes more competitive and increases its market share, giving it more control when negotiating and setting prices
Businesses in unrelated markets join together through a takeover or merger, enabling businesses to spread their risk over a wider range of products and services