What are economies of scale
when the average cost declines as output increases.
If AC < MC
What are diseconomies of scale
When the average cost is increasing, then the marginal cost must exceed the average cost, and we say that production exhibits diseconomies of scale.
If AC > MC
What is the minimum efficient scale (MES)
The minimum output to achieve economies of scale
What are economies of scope
Economies of scope exist if the firm achieves savings as it increases the variety of goods and services it produces. E.G. Ikea
What are indivisibility
Indivisibility simply means that input cannot be scaled down below a certain minimum size, even when the level of output is very small.
How to achieve economies of scale
Economies of scale rules of thumb
sources of economies of scale and scope
Sources of diseconomies of scale
What is the learning curve
Refers to advantages that flow from accumulating experience and know-how
What is unrelated diversification
A firm that creates, for example, medical devices and popular music.
Two totally unrelated markets
The learning curve vs economies of scale
Economies of scale refer to the ability to perform an activity at a low unit cost at a certain output.
Learning economies refer to the reductions in unit costs due to accumulating experience over time.
Firm reasons for diversification
Efficiency-based reasons for diversification
What is the BCG Growth/Share Matrix: a growing market with a relatively high share
Rising star
What is the BCG Growth/Share Matrix: a growing market with a relatively low share
Problem child
What is the BCG Growth/Share Matrix: a declining market with a relatively high share
Cash cow
What is the BCG Growth/Share Matrix: a declining market with a relatively low share
Dog
What are problematic justifications for diversification
Reasons not to diversify
Managerial reasons for diversification
A firm is diversified when…
They produce for numerous markets.