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Cost benefit analysis

Cost Benefit Analysis (CBA) is used widely to inform decisions that yield positive, and enduring outcomes. ACIL Allen has extensive experience conducting CBAs for Federal, State and Territory Government agencies, and private sector and not-for-profit organisations, as well across a broad range of sectors.

In today's challenging economic climate, demonstrating the cost-effectiveness of your initiatives is no longer optional—it's essential.  Across all sectors and industries, projects often deliver long-term benefits like increased efficiency, cost savings, and improved stakeholder outcomes. However, these gains can be difficult to quantify upfront and may be overlooked, hindering crucial investment.  A robust cost benefit analysis (CBA) provides the solution.

This article explores the power of cost benefit analysis in demonstrating value and securing investment. We'll delve into what a CBA is, how it works, and what you need to provide to conduct one effectively.

What is a Cost Benefit Analysis (CBA) and How Does it Work?

A cost benefit analysis (CBA) is a crucial tool in microeconomics, alongside cost-effectiveness analysis (CEA), cost-utility analysis (CUA), and Social Return on Investment (SROI).  The core purpose of a CBA is simple: to determine if a program or policy generates more value than it costs, ensuring resources are allocated efficiently.

A cost benefit analysis quantifies both costs and benefits in monetary terms, comparing two scenarios:

  • Assessment Case: The intervention is implemented.
  • Base Case: The intervention is not implemented.

The difference between these scenarios reveals the Net Present Value (NPV), representing the surplus of benefits over costs.  The Benefit-Cost Ratio (BCR) further illustrates the return on investment. For example, a BCR of 2.3 signifies that every $1 invested returns $2.30.

Cost benefit analysis guides decision-making across diverse sectors, including:

  • Public infrastructure
  • Education
  • Healthcare

Governments and organizations leverage CBA to assess potential projects (ex-ante) or evaluate existing ones (ex-post).  By partnering with experienced cost benefit analysis practitioners, organizations can translate complex data into actionable insights, facilitating clearer communication with decision-makers and strengthening their case for investment.

What Information is Needed for a Cost Benefit Analysis?

We collaborate with a wide range of clients, from large corporations with sophisticated data systems to smaller organizations focused on service delivery, often with limited data resources.  Our approach focuses on identifying the minimum data requirements for a cost benefit analysis and systematically addressing any gaps.

Typical data inputs for a CBA include:

  • Service Data: Number of clients served, service type, duration, and outcomes.
  • Cost Data: Information from budgets and financial statements.
  • Benefit Data: Often derived from external research due to limited client records, focusing on savings and social outcomes.

Recognizing that data quality can vary, we employ several techniques to fill gaps and develop reliable proxies, including:

  • Surveys
  • Desktop research
  • Expert consultation
  • Sensitivity analysis

This adaptive approach ensures robust and defensible cost benefit analysis outcomes for all clients, regardless of their data availability.  Contact us today to learn how a cost benefit analysis can unlock the value of your initiatives and secure the investment you need.