External diseconomies of scale

External diseconomies of scale occur when the growth of an industry leads to increased costs for all firms within the industry, usually due to negative externalities such as congestion, pollution, or overuse of resources.
Written by
Reviewed by
Updated on Jun 13, 2024
Reading time 4 minutes

3 key takeaways:

Copy link to section
  • External diseconomies of scale are cost increases experienced by firms due to industry-wide growth and external factors.
  • Common causes include congestion, resource depletion, pollution, and other negative externalities that impact all firms in the industry.
  • Managing external diseconomies of scale requires industry-wide or governmental intervention to address the root causes and mitigate their effects.

What are external diseconomies of scale?

Copy link to section

External diseconomies of scale arise when the expansion of an industry causes increased costs for all firms within that industry, due to negative externalities. Unlike internal diseconomies of scale, which are caused by inefficiencies within a firm as it grows, external diseconomies of scale are a result of external factors affecting multiple firms simultaneously.

For example, as an industry grows, increased traffic and congestion can lead to higher transportation costs for all firms. Similarly, overuse of natural resources can drive up input prices, and increased pollution can lead to regulatory costs and health impacts that affect all businesses in the area.

Causes of external diseconomies of scale

Copy link to section

Several factors can lead to external diseconomies of scale:

  1. Congestion:
  • As industries grow, increased traffic and congestion can occur in transportation networks, ports, and urban areas. This can lead to longer delivery times, higher transportation costs, and delays in the supply chain.
  1. Resource Depletion:
  • Rapid industry expansion can lead to overexploitation of natural resources, driving up prices for raw materials and inputs. Scarcity of resources can also lead to increased competition and higher costs for securing necessary supplies.
  1. Pollution and Environmental Degradation:
  • Industrial growth can result in increased pollution and environmental harm. This can lead to higher costs related to compliance with environmental regulations, health care costs for workers, and cleanup efforts.
  1. Infrastructure Strain:
  • Growth in an industry can place a strain on public infrastructure, such as roads, utilities, and communication networks. Insufficient infrastructure can lead to inefficiencies and higher costs for maintenance and upgrades.
  1. Increased Regulation:
  • As industries grow and their environmental or social impacts become more pronounced, governments may impose stricter regulations. Compliance with these regulations can increase operating costs for all firms in the industry.

Implications of external diseconomies of scale

Copy link to section

External diseconomies of scale have significant implications for industries and economies:

  • Higher Costs: Increased costs due to external factors can reduce profitability for firms, making it more difficult for them to compete, both domestically and internationally.
  • Reduced Competitiveness: Industries facing high external diseconomies of scale may become less competitive, leading to a potential loss of market share and economic decline.
  • Market Entry Barriers: Higher costs can create barriers to entry for new firms, reducing competition and innovation within the industry.
  • Need for Regulation: Addressing external diseconomies of scale often requires government intervention to mitigate negative externalities and manage resources sustainably.

Managing external diseconomies of scale

Copy link to section

Addressing external diseconomies of scale requires coordinated efforts by industry participants and government authorities:

  1. Improving Infrastructure:
  • Investing in better transportation networks, utilities, and communication systems can reduce congestion and infrastructure strain, leading to lower costs for firms.
  1. Sustainable Resource Management:
  • Implementing policies and practices for sustainable resource use can help prevent resource depletion and maintain stable input prices.
  1. Environmental Regulations:
  • Enforcing environmental regulations and encouraging practices that reduce pollution can mitigate the environmental impact of industrial growth.
  1. Industry Collaboration:
  • Firms within an industry can collaborate to address common challenges, such as sharing infrastructure costs or developing industry-wide standards for sustainable practices.
  1. Government Intervention:
  • Governments can play a crucial role in managing external diseconomies of scale through policy measures, subsidies for sustainable practices, and investments in public goods.
Copy link to section

Exploring related topics can provide a deeper understanding of external diseconomies of scale. Economies of scale examine the cost advantages that firms experience as they grow. Negative externalities focus on the unintended adverse effects of economic activities on third parties. Environmental economics explores the economic impact of environmental policies and sustainable practices. Additionally, understanding public goods and common resources can provide insights into managing shared resources and infrastructure.

By studying these areas, one can gain a comprehensive understanding of external diseconomies of scale, their causes, and strategies to mitigate their effects for sustainable industry growth and economic stability.


Sources & references

Arti

Arti

AI Financial Assistant

  • Finance
  • Investing
  • Trading
  • Stock Market
  • Cryptocurrency
Arti is a specialized AI Financial Assistant at Invezz, created to support the editorial team. He leverages both AI and the Invezz.com knowledge base, understands over 100,000 Invezz related data points, has read every piece of research, news and guidance we\'ve ever produced, and is trained to never make up new...