Why The Economics of War in Australia Matter

By Denis Hay  

Description

An evidence-based analysis of Australia’s economics of war, opportunity costs, and how public money choices shape national security and social stability.

Introduction

Australia’s defence spending is rising at a time when housing stress, health system pressure, and energy transition demands are also intensifying.

Public debate often treats defence and social investment as separate conversations. They are not. Both draw on the same public money, skilled labour, industrial capacity, and political attention.

This article examines how the war economy functions, how Australia’s major defence commitments shape long-term fiscal settings, and what opportunity cost means in practical terms. It does not argue for ending defence. It does not dismiss strategic risk.

Instead, it asks a structured economic question: when public funds are allocated to long-duration military programs, which alternatives are delayed or constrained?

Unlike earlier articles on Monetary Sovereignty that focus on financial capacity, this piece concentrates on real resource allocation and political incentives within defence policy.

The Problem: The Economics of War and Locked-in Spending

Rising Global Military Spending

The Stockholm International Peace Research Institute reports that global military spending reached US 2.7 trillion in 2024. Australia is part of this global expansion.

Further reading: Australian Budget Papers, ASPI defence analysis, and ABS economic capacity data.

This aligns with our analysis in How Modern Monetary Theory Explains Australia’s Economy.

Once contracts are signed, budgets become rigid. Reversing course becomes costly and politically difficult.

Australia’s Major Defence Commitments

Under the Department of Defence strategy and the AUKUS submarine pathway, Australia has committed to multi-decade procurement and sustainment programs.

The Parliamentary Budget Office has noted cost sensitivities, including exchange rate exposure and schedule risk.

These commitments shape forward estimates for generations.

Systemic Causes

• Alliance integration priorities
• Strategic deterrence doctrine
• Industrial policy embedded within defence
• Long-term contracting frameworks

Political Incentives

• Regional job creation promises
• Perception of strength and security
• Limited scrutiny of lifecycle costing
• Concentrated contractor influence

Beneficiaries of the Status Quo

• Large defence primes
• Specialist subcontractors
• Regions hosting major facilities
• Political actors are able to signal security leadership

This does not imply corruption. It shows structural incentives.

The Economics of War in Australia and Opportunity Cost 

Opportunity cost is not abstract. For example, if $10 billion in defence procurement employs engineers and advanced manufacturers, those same skilled workers are not simultaneously available to expand public housing construction.

Australia has finite:

• Engineers
• Electricians
• Welders
• Project managers
• Advanced manufacturing capacity

When defence demand accelerates, it competes with:

• Public housing construction
• Renewable energy deployment
• Hospital upgrades
• Disaster resilience projects

Housing shortages, aged care waiting lists, and grid transition delays are not disconnected issues. They are part of the same allocation story.

If a skilled welder works on naval fabrication, that welder is not building housing frames or renewable infrastructure.

The Solution: A Balanced Security and Social Investment Framework

Where Australia Stands

Australia is a mixed performer.

National capability is strong. Institutions, vocational training systems, engineering ability, and public finance capacity are substantial.

Execution is uneven. Defence planning is detailed and funded over the long term. Housing and energy planning often relies on fragmented state coordination and market incentives.

This is not a cultural failure. It is policy design.

Link: Investing in Peace: Rethinking Australia’s Defence Strategy.

1. What This Makes Possible

If Australia recalibrates marginal defence expansion and strengthens parallel social investment, it could achieve:

• Faster housing delivery
• Stronger regional healthcare staffing
• Greater energy resilience
• Improved workforce stability
• Increased democratic confidence

Security includes social cohesion.

2. Lived Experience Translation

Imagine a renter in outer suburban Melbourne.

Instead of bidding against investors for limited stock, they see new public and affordable housing built each year steadily. Rent increases stabilise. Job security improves because renewable and construction projects expand. Healthcare appointments are easier to access.

Security would be felt rather than abstract.

3. Proof of Feasibility

Australia has existing capacity:

• TAFE and apprenticeship systems
• State housing authorities
• Clean Energy Finance Corporation
• Infrastructure Australia frameworks

These institutions already exist. Scaling them is administratively realistic.

Internationally, countries such as Norway and Germany balance defence commitments with substantial investment in social infrastructure. The policy mix is transferable, not speculative.

4. Solution Integrity

Reform must:

• Support credible baseline deterrence
• Publish full lifecycle defence cost comparisons
• Include explicit opportunity cost analysis in budget papers
• Expand vocational training across both defence and civilian sectors
• Rebalance marginal spending toward housing and energy resilience

These are politically challenging but administratively achievable within existing frameworks.

Frequently Asked Questions

Does this argument call for reducing defence spending?

No. This article does not argue for eliminating defence spending. It argues for strategic balance. Australia faces real security considerations, but defence spending should be assessed alongside long-term national well-being priorities, such as housing, healthcare, energy resilience, and disaster preparedness.

The key question is not whether there is a defence or not. It is whether current allocations reflect Australia’s real strategic risks and domestic pressures.

Can Australia afford both defence and social investment?

Financially, yes. As a currency-issuing nation, Australia does not operate like a household budget. The constraint is not money but real resource capacity, such as skilled labour, materials and industrial capability.

The practical issue becomes how resources are allocated. If engineers, steel, and manufacturing capacity are absorbed by defence procurement, they are less available for housing, renewable energy and infrastructure projects.

Is AUKUS economically reckless?

The economic implications of AUKUS depend on transparency, cost certainty and long-term strategic value. Submarine acquisition entails substantial capital expenditures over decades.

The concern raised by economists is opportunity cost. Major defence commitments can crowd out alternative public investment if not carefully sequenced and integrated into national industrial planning.

Conclusion

The economics of war in Australia are about allocation, not ideology.

Defence commitments such as AUKUS are long-term and capital-intensive. Housing shortages, healthcare strain, and energy transition pressures are immediate and socially destabilising.

Public money reflects political priorities. The central question is whether more military capability delivers greater marginal security than investment in social resilience.

Australia has the institutional capacity to pursue both strategic security and domestic stability. Outcomes depend on policy choice, not inevitability.

The economics of war in Australia are not just about defence budgets or alliance commitments. It is about choices. Every dollar committed to long-term military expansion is a dollar not invested in housing, healthcare, education, and productive industry. A balanced approach to the economics of war in Australia requires transparent costing, clear strategic purpose, and a serious national discussion about opportunity cost.

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This article was originally published on Social Justice Australia

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