Publications

The Economics of Cheap Warfare: Diffusion of Low-Cost Combat Innovation and the Reshaping of Asymmetric Power, 2022-2026

2026-07-16

The Russia-Ukraine war has fundamentally altered asymmetric military power, demonstrating how cheap, civilian-component-based weapons like FPV drones grant tactical superiority. This study integrates national power models, diffusion theory, and cost-exchange ratios to analyze this phenomenon across five conflict zones, revealing that open knowledge and dual-use components are key drivers. It also highlights a critical anomaly in adoption rates and proposes policy recommendations for NATO and Israel.

The Economics of Cheap Warfare: Diffusion of Low-Cost Combat Innovation and the Reshaping of Asymmetric Power, 2022-2026

Dr. Avraham (Avi) Cohen, Colonel (Res.), Israel Defense Forces

Submitted for consideration to [Defense Institute / Journal Name] - Working Paper, July 2026

Abstract

The Russia-Ukraine war has fundamentally altered the calculus of asymmetric military power. A state industrially and militarily inferior to its neighboring adversary has generated significant tactical superiority through cheap, civilian-component-based weapons systems, most notably fiber-optic-guided first-person-view (FPV) attack drones. Within less than two years, this technology diffused to independent conflict theaters - Hezbollah in Lebanon (2026), the Houthis in Yemen, and rebel movements in Mali and Myanmar - each replicating a similar pattern of asymmetric impact at a fraction of the defender's cost. This article synthesizes a comprehensive comparative study integrating three previously unconnected bodies of literature: a Fuzzy Logic-based national power-measurement model (Cohen, 2023), Rogers' Diffusion of Innovations theory (1962/2003), and the cost-exchange ratio literature within asymmetric warfare theory (Arreguín-Toft, 2001; RAND, 2025). The study extends an existing AI-Power model from the state level to the tactical diffusion-event level and proposes a novel Diffusion Index, tested across five case studies. The central finding confirms that access to open knowledge and dual-use civilian components - not centralized industrial-military investment - is the decisive variable driving adoption of cheap combat innovation. A significant empirical anomaly is also reported: Mali and Myanmar adopted the technology faster (9-10 months) than Hezbollah (19 months) despite markedly lower network accessibility, necessitating an additional 'operational context complexity' variable. The study further finds that current cost-exchange ratios (up to 1:53,000 in documented aircraft-kill cases) exceed historical precedents by orders of magnitude, while demonstrating - through the 2026 LUCAS/Epic Fury case - that this advantage is reversible once a stronger actor adopts the same operational logic. The article concludes with policy recommendations for NATO and Israel regarding counter-drone doctrine, supply-chain resilience, and intelligence institutionalization.

Keywords: asymmetric warfare; cost-exchange ratio; diffusion of innovation; FPV drones; electromagnetic spectrum management; defense economics.

1. Introduction

The Russia-Ukraine war, ongoing since February 2022, has produced a fundamental shift in how military power is assessed in the international arena. Classical theories of international relations have long treated army size, defense expenditure, and possession of advanced weapons systems as the central determinants of state power (Beckley, 2018). Yet the war has demonstrated that a state industrially and militarily inferior to a neighboring power can generate significant tactical superiority through cheap, easily operated weapons built largely from civilian components purchased on the open market.

This phenomenon is not confined to the Ukrainian-Russian theater. Within less than two years of its emergence, fiber-optic-guided FPV drones diffused to independent conflict theaters: Hezbollah in Lebanon (2026), Ansar Allah (the Houthis) in Yemen, and rebel groups in Mali and Myanmar. In each, a resource-constrained actor achieved asymmetric impact through means whose cost is orders of magnitude lower than the cost of defending against them. This article argues that access to open knowledge and dual-use civilian components has become the decisive variable shaping tactical power balance - more so than centralized industrial-military investment - extending a finding previously established at the national level (Cohen, 2023) to the tactical level of analysis.

2. The Historical Paradox and Its Contemporary Escalation

The cost gap between cheap offense and expensive defense is a recognized pattern in military history, formalized in the Cold War-era concept of the 'cost-exchange ratio,' first developed in the context of anti-ballistic missile defense: each additional Soviet ICBM obligated the United States to deploy a disproportionate number of counter-interceptors. A parallel dynamic recurred with the Soviet RPG-7 against armor, with anti-tank guided missiles, and with improvised explosive devices against armored vehicles, giving rise to the multi-billion-dollar American MRAP program.

Arreguín-Toft (2001) provides a complementary framework, demonstrating that weaker actors win asymmetric conflicts at rates far exceeding conventional expectations when they adopt an indirect strategy. However, this literature explains the outcome of confrontation rather than the mechanism by which cheap technology reaches the weaker actor. A 2025 RAND report, 'David vs. Goliath: Cost Asymmetry in Warfare,' quantifies the contemporary scale of the problem: an SM-2 interceptor costs approximately $2.1 million and an SM-6 approximately $3.9 million, against threats costing a few hundred dollars. A separate 2026 analysis of Oryx, SIPRI, ACLED, and CNAS data found a Patriot-to-Shahed cost ratio of approximately 190:1, and Ukrainian FPV drones achieving return-on-investment ratios between 2,000:1 and 250,000:1 - figures consistent with, and in some cases exceeded by, this study's own findings (Sections 5 and 7 below).

This study argues that the contemporary version of the paradox represents a qualitative, not merely quantitative, break from its historical antecedents. In prior cases (the RPG, the ATGM, the IED), the attacker still required some industrial infrastructure, however minimal, to produce the means of attack. The current era is characterized by the near-total accessibility of attack components through a global civilian market, independent of any defense-industrial base on the user's part.

3. Theoretical Framework

This study integrates three bodies of literature not previously combined systematically. First, Cohen's (2023) Fuzzy Logic methodology for measuring national AI-related power overcame a severe multi-collinearity problem among power indicators (correlations up to 0.91 between GDP and industrial output) through membership-function normalization and Similarity Rate/Contribution/Relative Importance calculations against an ideal-case benchmark. That study's central finding - that exports, GDP, and research publication (as proxies for knowledge flow) outweigh conventional military size as predictors of AI-related power, while democratic governance showed no significant advantage - forms the direct theoretical foundation of the present study.

Second, Rogers' Diffusion of Innovations theory (1962/2003) identifies five characteristics determining adoption rate: relative advantage, compatibility, complexity, trialability, and observability. This study maps these characteristics onto the tactical diffusion of combat innovation, proposing that 'observability' - originally conceived as face-to-face community observation - finds an extreme contemporary expression in globally accessible social-media documentation of combat effectiveness, compressing Rogers' persuasion stage from months to weeks.

Third, building on both frameworks, this study proposes a Diffusion Index (DI), extending Cohen's (2023) normalization formula:

μₘ(x) = 0 if x < lowₘ; μₘ(x) = (x - lowₘ)/(highₘ - lowₘ) if lowₘ ≤ x ≤ highₘ; μₘ(x) = 1 if x > highₘ

applied to four variables: COTS-accessibility (paralleling 'compatibility'), knowledge-openness (paralleling 'observability'), inverse-relative-cost (paralleling 'relative advantage'), and counter-measure resilience. This integration constitutes, to the author's knowledge, the first systematic combination of a proven quantitative power-measurement methodology with diffusion-of-innovation theory in the context of asymmetric warfare.

4. Methodology

The study combines qualitative-comparative case study analysis of five documented cases (Ukraine, Hezbollah, the Houthis, Mali, and Myanmar), drawing on open-source field reporting, think-tank publications, and official statements, with an initial quantification exercise applying the DI framework. Given the small sample size, the study is presented as exploratory rather than statistically confirmatory, following the precedent-setting caution applied in the author's original dissertation research. A full account of data sources, normalization procedures, and identified limitations is provided in the source study's methodological appendix; this article presents condensed findings.

5. Case Findings

5.1 Ukraine: The Reference Case

Ukraine's domestic drone manufacturing base grew from 7-10 firms in 2022 to approximately 500 by 2025-2026, with installed production capacity of 4-8 million FPV units annually - reportedly exceeding combined NATO output. Unit cost fell from approximately $1,000 to $300-500, hit-success rates rose from 30% to 70%, and the field-to-upgrade cycle compressed from years to weeks, driven by a decentralized, market-competitive feedback loop rather than centralized institutional R&D. Notably, fiber-optic FPV technology was first deployed at scale not by Ukraine but by Russia (August 2024, Kursk), positioning Ukraine as an 'early adopter' rather than an 'innovator' in Rogers' typology - a finding indicating that the phenomenon transcends simple weak-versus-strong dynamics.

5.2 Diffusion Mechanisms

Four diffusion layers were identified: (1) open tactical knowledge via Telegram and YouTube channels documenting real-time operational learning; (2) a dual-use civilian supply chain centered on Chinese-manufactured components (DJI controlling an estimated 70-90% of the global commercial drone market); (3) open-source software modification (e.g., ExpressLRS radio-link protocols adapted by end-users); and (4) direct inter-organizational observation, exemplified by Ukrainian units reportedly monitoring and providing early warning to Israel regarding Hezbollah's drone adoption. A critical qualification emerged regarding the supply-chain layer: China imposed targeted export restrictions on drone components against Ukraine from September 2024 while continuing supply to Russia, indicating that COTS-accessibility is not a neutral environmental constant but a strategic resource subject to third-party geopolitical leverage.

5.3 Hezbollah (2026)

Following the loss of conventional missile capability in the 2024 confrontation, Hezbollah adopted fiber-optic FPV drones (approximately $300/unit) beginning March 2026, drawing explicit inspiration from the Ukrainian-Russian theater. Documented impact includes at least 12 IDF fatalities and over 45 reported strikes within weeks. Diffusion time from Russia's August 2024 debut was approximately 19 months - slower than anticipated given Hezbollah's substantial network access, a finding addressed in Section 6.

5.4 The Houthis: An Extreme Cost-Ratio Case

Houthi drone and missile systems ($2,000-10,000/unit) confronted U.S. interceptors costing $2.1-27.9 million per unit, yielding cost ratios of 1:1,000 to 1:14,000, alongside an estimated $200 billion in global trade disruption. Notably, the 2026 U.S.'Epic Fury' operation against Iran deployed cheap, partly reverse-engineered LUCAS drones rather than expensive interceptors - directly demonstrating that the cost advantage is reversible once the stronger actor adopts equivalent operational logic.

5.5 Mali and Myanmar: Lower-Bound Accessibility Cases

Despite markedly lower network and supply-chain accessibility, Malian (FLA) and Myanmar (KIA) rebel forces achieved documented fiber-optic drone strikes (June 22 and May 21, 2025, respectively) within 9-10 months of Russia's scaled deployment - faster than Hezbollah's 19 months. This anomaly is discussed in Section 6.

6. The Central Anomaly and Its Implications

The finding that Mali and Myanmar outpaced Hezbollah in adoption speed, despite substantially lower DI scores under the initial model, directly contradicts the model's core prediction and necessitates theoretical refinement. Three non-mutually-exclusive explanatory hypotheses are proposed: a threshold hypothesis (adoption rate becomes insensitive to accessibility differentials once a minimal connectivity threshold is crossed); a target-complexity hypothesis (downing a stationary helicopter or striking a convoy is technically simpler than penetrating a modern electronic-warfare-equipped adversary, such that Hezbollah's longer timeline reflects capability-development time rather than adoption delay); and an organizational-overhead hypothesis (Hezbollah's more complex command structure and formal Iranian supply relationship slow decision-making relative to smaller, decentralized rebel groups). Collectively, these hypotheses indicate that the Diffusion Index requires an additional 'operational context complexity' variable, target- and organization-dependent rather than accessibility-dependent alone - a refinement that could not have been anticipated absent empirical testing.

7. The Defender's Response: Emerging Counter-Doctrine

Israel's evolving response combines interim measures (protective netting, electro-optical detection, the Smash fire-control system) with the December 2025 operational deployment of the Iron Beam directed-energy laser system, integrated into the Iron Dome battle-management architecture. Four counter-technology categories were identified across the Israeli and NATO contexts: passive detection (RF and acoustic sensors, notably effective against radio-silent fiber-optic drones); non-kinetic takeover (cyber-over-RF techniques, tested in NATO's April 2026 LCI-X Crucible Eastern Phoenix exercise); kinetic interception; and directed energy, regarded as the long-term solution owing to near-zero marginal cost per engagement. NATO's parallel 'European Drone Defence Initiative' relies on the SAPIENT sensor-integration standard and joint air-defense command (NATINAMDS), with the United Kingdom fielding an RF directed-energy weapon at an estimated 13 cents per interception.

This comparison yields a key theoretical insight, termed here 'inverse cost-imposition asymmetry': whereas cheap offense relies on distributed, uncoordinated components, effective defense requires precisely the opposite - centralized, standardized, multinational infrastructure. The attacker's cost advantage does not disappear; it shifts to the defender, who must absorb disproportionate cost to close the gap, except where directed-energy systems succeed in breaking the equation. This study further proposes that spectrum-management doctrine (Cohen's own 'Spectrum Warfare' framework, applied during Operation Protective Edge, 2014) requires extension via a third category - 'spectrum circumvention' - alongside offensive and defensive electronic warfare, reflecting a three-stage doctrinal evolution: classical spectral control (2012-2014), attacker-driven spectrum circumvention (2024 onward), and multi-sensory, spectrum-independent detection (2025-2026).

8. Policy Implications

For NATO and Western States

  • Measured Western aid policy toward Ukraine, whether or not deliberately designed to do so, functioned as a catalyst for the development of an independent defense-industrial base now exceeding combined NATO drone-production capacity - a dynamic warranting reconsideration in future asymmetric-conflict aid policy.
  • Single-source dependency on Chinese component supply chains constitutes a systemic NATO-wide vulnerability requiring independent Western industrial policy rather than ad hoc responses.
  • Given the demonstrated inverse cost-imposition asymmetry, directed-energy investment should be prioritized over additional kinetic interception layers alone.

For Israel

  • Open-source intelligence regarding foreign conflict theaters requires formal institutional status within threat-assessment processes, addressing the documented failure to act on informal Ukrainian early warning.
  • Spectrum-independent sensing (acoustic, electro-optical) should become a default design requirement for future defense systems, not a retrofit.
  • Accelerated national deployment of Iron Beam and microwave-based systems is warranted given the documented cost asymmetry, alongside interim bridging measures.

9. Conclusion and Limitations

This study demonstrates that the cheap-attacker-versus-expensive-defender paradox, long recognized in military history, has reached historically unprecedented scale in the current era - not through proportional technological change, but through a qualitative shift in accessibility: attack means are now almost entirely obtainable through a global civilian market, independent of defense-industrial infrastructure. Evidence from five independent case studies consistently supports this claim while revealing its complexity: the cheap attacker's advantage is context- and time-dependent, both reversible (as the LUCAS case demonstrates) and only partially explained by accessibility variables alone (as the Mali-Myanmar anomaly demonstrates).

The study's limitations should be explicitly acknowledged: the five-case sample precludes statistical significance at the level achieved in the author's original national-level research; substantial reliance on open-source and field reporting - particularly regarding an active, ongoing theater - necessitates interpretive caution; and the Diffusion Index itself remains, at this stage, a structured qualitative proof of concept rather than a fully quantified instrument. Future research should expand the case sample, collect direct quantitative diffusion data, test for multi-collinearity among DI variables, and pursue independent doctrinal validation of the proposed spectrum-circumvention framework. Notwithstanding these limitations, this study offers both a methodological bridge between national power-measurement theory and tactical diffusion analysis, and a policy-relevant framework for states confronting the systemic challenge of cheap, asymmetric combat innovation.

References

Arreguín-Toft, I. (2001). How the weak win wars: A theory of asymmetric conflict. *International Security, 26*(1), 93-128.

Beckley, M. (2018). *Unrivaled: Why America will remain the world's sole superpower*. Cornell University Press.

Clausewitz, C. von. (1976). *On war* (M. Howard & P. Paret, Trans.). Princeton University Press. (Original work published 1832)

Cohen, A. (2023). *Diplomacy in the cyber 'hidden war' era: The impact of artificial intelligence on power relations between states* [Doctoral dissertation, Babeș-Bolyai University].

Mishra, S., et al. (2020). Measuring the AI readiness of nations: Comparative frameworks and indices.

RAND Corporation. (2025). *David vs. Goliath: Cost asymmetry in warfare*.

Rogers, E. M. (1962). *Diffusion of innovations*. Free Press.

Rogers, E. M. (2003). *Diffusion of innovations* (5th ed.). Free Press.

Ryan, B., & Gross, N. C. (1943). The diffusion of hybrid seed corn in two Iowa communities. *Rural Sociology, 8*(1), 15-24.

Additional open-source, think-tank, and field-reporting citations (RUSI, CSIS, Atlantic Council, Kyiv Independent, RFE/RL, Bloomberg, Foreign Affairs, Foreign Policy, CNN, Algemeiner, The War Zone, and others) are detailed in full in the source study's complete reference list, available on request.

Author Bio

Dr. Avraham (Avi) Cohen is a Colonel (Res.) in the Israel Defense Forces and holds a PhD in Political Science and International Relations from Babeș-Bolyai University. He commanded IDF communications, cyber, and electronic warfare arrays, including developing the 'Spectrum Warfare' doctrine applied during Operation Protective Edge, and previously led the C4I array of the Gaza Division during Operation Cast Lead. He currently advises defense and government institutions on technology and national power, and is available for keynote presentations, expert panels, and advisory engagements. Contact: [details to be added].