What is Activity Based Costing (ABC)?

Activity Based Costing (ABC) is a costing method that assigns overhead and indirect costs to specific business activities, giving a more accurate view of product or service costs. It identifies activities, measures their cost drivers, and links them to products based on actual resource use.

How does Activity Based Costing work?

• Identify activities
• Identify cost drivers
• Assign costs to activities
• Allocate activity costs to products/services

Why does it matter?

ABC helps businesses identify waste, improve profitability, and make better strategic decisions.

Types of ABC:

• Transaction-based ABC → focuses on activity frequency
• Duration-based ABC → focuses on time spent

Key Benefits of ABC

• Identify waste and inefficiencies
• Improve pricing decisions
• Increase profitability
• Support strategic choices

Business Facts on ABC

• Reveals hidden overhead costs
• Improves pricing accuracy
• Supports process improvement

Where is ABC used?

• Manufacturing
• Service industries
• Healthcare
• Logistics

It is useful for financial analysis, pricing, budgeting, and operational optimization.

How to apply ABC in practice

• Map activities
• Collect cost data
• Analyze cost drivers
• Assign overhead
• Review and adjust

Example

A company has €60,000 overhead across setup, quality control, and packaging. Product A uses €20,000 while Product B uses €40,000, showing Product B consumes more resources and should be priced accordingly.

Common Mistakes

• Tracking too many activities
• Wrong cost drivers
• Poor data quality
• Not updating regularly
• Not using results for decisions

Who should use ABC?

• Companies with high overhead
• Businesses with diverse products
• Companies needing accurate pricing

Top FAQs

1. ABC vs traditional costing?
ABC is more precise.

2. Only for large companies?
No.

3. Difficult to implement?
Moderate effort.

4. Replace accounting?
No.

5. Works with Lean?
Yes.

Real-World Examples

• Toyota
• IBM
• Healthcare organizations

Keywords

Cost drivers • Cost allocation • Profitability analysis • Process efficiency

Conclusion

Activity Based Costing helps businesses understand real costs, improve pricing, and make smarter decisions.

Further Reading

• Harvard Business Review articles
• Robin Cooper & Kaplan book