EuroOilWatch Analysis — the economics beneath the crisis: marginal pricing, comparative advantage, and the strategic risk hidden inside a cheap unit of energy.
Modern economies run on energy, yet we often talk about energy markets as though they were simple machines governed only by supply, demand and price.
Oil prices rise when production falls. Gas becomes expensive when storage is low. Electricity bills increase when power stations struggle to meet demand. These statements are true, but they are dangerously incomplete.
The deeper story involves two powerful ideas associated with the nineteenth-century economist David Ricardo: comparative advantage and economic rent. Applied to the modern energy system, they help explain why apparently cheap energy can carry enormous hidden costs, why low-cost producers make windfall profits during crises, why the most expensive unit of supply can determine the price of every other unit, and why systems designed for maximum efficiency can suddenly become dangerously fragile.
Ricardo’s theories were developed in a world before oil tankers, liquefied natural gas, nuclear power, national electricity grids and global mineral supply chains. Nevertheless, the underlying principles remain strikingly relevant.
Comparative advantage explains why countries specialise and trade. The theory of rent explains why owners of superior resources or strategic infrastructure can earn large surpluses. Marginal pricing explains why a relatively small shortage can cause a disproportionately large increase in price.
But energy introduces an additional problem that classical economics does not fully capture.
Energy is not simply one commodity among many. It is the enabling input for almost every other economic activity. Transport, food production, manufacturing, communications, heating, cooling, defence and modern public services all depend upon continuous access to energy.
A failure in the energy system therefore does not remain within the energy market. It spreads.
Understanding Ricardo is consequently important not only because his theories explain how energy markets work, but because they also reveal how efficiency can become dependency, how dependency creates vulnerability, and how vulnerability can develop into a wider economic and political crisis.
Comparative Advantage and the Global Energy System
Ricardo’s principle of comparative advantage explains why specialisation and trade can make societies richer.
Countries benefit when they concentrate on the activities they can perform at the lowest relative opportunity cost and trade for the rest. A country does not need to be the best in the world at producing something. It only needs to be relatively more efficient at producing it than at producing alternative goods or services.
Applied to energy, the logic is easy to see.
Saudi Arabia and several other Gulf states possess large conventional oil reserves that can be extracted relatively cheaply. Qatar has an advantage in natural gas and liquefied natural gas. Norway combines offshore oil and gas expertise with substantial hydroelectric resources. France developed a large nuclear electricity system. Iceland benefits from geothermal and hydroelectric energy. Countries with favourable sunlight, wind conditions, rivers or coastlines possess advantages in particular renewable technologies.
A precise reader will notice that these examples describe absolute advantage, or resource endowment, rather than comparative advantage in Ricardo’s strict opportunity-cost sense. Saudi Arabia’s cheap oil and Norway’s hydro reflect what those countries physically hold beneath their soil and coastline, not the relative-cost logic Ricardo emphasised. The comparative-advantage argument enters one step later, on the importing side. A country without major reserves need not produce every barrel it consumes; by importing energy from the lowest-cost endowment, it releases its own labour, capital and expertise for the activities in which its relative opportunity cost is lowest — manufacturing, technology, agriculture, finance or services. Endowment decides who exports the energy. Comparative advantage decides what everyone else does instead.
Trade allows these advantages to be shared.
A country without major oil reserves does not need to produce every barrel it consumes. It can import oil from a more efficient producer and direct its own labour, capital and expertise towards manufacturing, technology, agriculture, finance or services.
This specialisation helped create the modern industrial economy.
Cheap imported energy enabled countries to develop industries that might otherwise have been uncompetitive. Global trade connected oilfields, gas fields, coal mines, refineries, ports, pipelines, power stations and industrial centres into a highly productive international system.
The result was an extraordinary increase in economic output.
But the same process also created dependency.
From Comparative Advantage to Engineered Dependence
The classical case for comparative advantage works most smoothly when trade remains possible.
It assumes that markets are open, infrastructure functions, contracts are respected and political relationships remain sufficiently stable. When these conditions hold, specialisation can lower costs and increase prosperity.
Energy complicates the picture because interruption carries unusually large consequences.
A country that applies comparative advantage narrowly may conclude that expensive domestic energy production is unnecessary because imported energy is cheaper. It may close mines, reduce gas storage, abandon domestic production, allow reserve capacity to disappear or concentrate imports through a small number of suppliers and routes.
During stable periods, these decisions can appear rational.
They lower immediate costs. They reduce duplication. They release capital for other uses. They may also improve industrial competitiveness.
But when geopolitical conflict, embargo, sabotage, war, infrastructure failure or maritime disruption intervenes, the same decisions can prove extremely costly.
Germany’s pre-2022 dependence on Russian pipeline gas is one of the clearest examples.
For years, relatively cheap gas supported chemicals, fertiliser, steel, glass, manufacturing and household heating. From the perspective of immediate cost and industrial competitiveness, the arrangement appeared efficient.
But that efficiency depended upon a set of political and physical assumptions.
It assumed that the relationship with Russia would remain stable enough for energy trade to continue. It assumed that pipelines would remain available. It assumed that low prices would persist. It assumed that alternative infrastructure could be developed if circumstances changed.
Once those assumptions failed, the apparent comparative advantage was revealed as a strategic dependency.
Replacing pipeline gas with alternative supplies proved expensive. The scale is worth stating plainly: the benchmark European gas price, the Dutch TTF, spiked to roughly €343 per megawatt-hour in late August 2022 — around seven times its July 2026 level. That single number is the price of a dependency being repriced overnight. Industry faced higher costs. Electricity prices rose. Energy-intensive manufacturing came under pressure. The consequences extended far beyond the original gas contracts.
The pattern also outlives the crisis that exposed it. Even under a formal phase-out of Russian energy, European buyers paid an estimated €5.96 billion for Russian Arctic (Yamal) liquefied natural gas in the first half of 2026, taking 136 cargoes — more than 97% of the project's worldwide deliveries. Dependency, once built into ports, long-term contracts, specialised carriers and logistics, is dismantled slowly and at cost, not switched off by declaration.
The central lesson is that the cheapest source of energy on paper is not always the cheapest source once disruption risk is included.
A low-cost supplier carrying high political, military or physical risk may prove far more expensive over time than a diversified system containing some apparently inefficient capacity.
Three Different Meanings of Efficiency
Much of the confusion surrounding energy policy arises because the word “efficiency” is used to describe several different things.
The first is production efficiency.
This asks who can produce a unit of energy at the lowest cost. A large conventional oilfield may be more production-efficient than a deepwater project. A solar installation in a high-irradiance region may produce more electricity than an identical installation in a cloudy northern climate.
The second is market efficiency.
This asks whether prices and trade direct energy towards the users willing to pay the most for it. In a well-functioning market, energy moves from areas of surplus to areas of shortage.
The third is system efficiency.
This asks whether the wider economy can continue operating when part of the energy system fails.
These are not the same.
A system may be highly efficient at the level of production and trade while being dangerously inefficient at the level of resilience.
Buying almost all available gas from the cheapest supplier may minimise the price of each unit. It may also create a single point of failure capable of imposing enormous costs upon the entire economy.
The cheapest unit of energy does not necessarily create the cheapest energy system.
A broader calculation would have to consider not only the market price, but also the expected cost of interruption, price volatility, emergency replacement, industrial shutdown, infrastructure damage and economic recovery.
The true cost of energy might therefore be expressed conceptually as:
True system cost = market price + resilience cost + disruption risk + wider economic consequences
These additional costs are difficult to measure because they do not necessarily appear during normal conditions.
Their absence from the immediate price does not mean they do not exist.
The Missing Price of Resilience
Markets reward production more easily than preparedness.
Spare capacity, strategic storage, reserve generation, alternative pipelines, domestic fuel stocks and backup power stations often sit idle during normal periods. Because they are not used continuously, they can look wasteful.
Their value becomes visible only when the primary system fails.
This creates a systematic bias towards fragility.
Companies minimise inventories. Governments reduce reserves. Utilities close older plants. Countries allow domestic production to decline because imports are cheaper. Each decision may appear economically rational in isolation.
Together, however, they remove the redundancy that protects the wider system.
A domestic gas field may not compete with imported gas under ordinary conditions, but it can become strategically important during a supply crisis. A reserve power station may operate only a few days each year, but on those days it may prevent blackouts. Strategic petroleum reserves earn no conventional profit while they remain unused, yet their existence can reduce the economic damage caused by an interruption.
Such assets perform the role of insurance.
Insurance always looks expensive when the insured event does not occur. Its value becomes apparent only when it does.
The problem is that conventional market signals often fail to reward this insurance function. A generator may be paid for the electricity it produces, but not adequately for remaining available. A storage facility may appear unprofitable until supply is interrupted. A domestic refinery may look inefficient until imported fuel can no longer arrive.
None of this means resilience is a free lunch, and the honest version of the argument has to concede the other side of it. Redundancy is not costlessly virtuous. It has to be paid for, and the mechanisms meant to deliver it are routinely gamed. Capacity markets — which pay generators simply for being available — have been criticised as backdoor subsidies to incumbent fossil-fuel plants that could not justify themselves on energy sales alone. Strategic-reserve rules, minimum-storage obligations and stockholding mandates invite regulatory capture by the very firms that own the assets being mandated. And beneath all of it lies a problem economics cannot wish away: tail risks are precisely the risks that cannot be priced well. “Buy insurance against disruption” is unarguable in principle; in practice it collapses immediately into “how much, and chosen by whom?” — questions with no clean market answer and every incentive for the answer to be captured. Recognising this does not defeat the case for resilience. It disciplines it. The aim is not maximum redundancy but redundancy whose expected cost is genuinely lower than the expected cost of the failure it prevents, procured through mechanisms robust enough to resist capture.
This is one reason governments use strategic reserves, capacity markets, minimum storage requirements, emergency stockholding rules and availability payments.
These mechanisms attempt to place a value on readiness, not merely output.
Ricardo’s Theory of Rent
Ricardo’s second major contribution was his theory of economic rent.
He originally applied the idea to agricultural land.
Some land was more fertile, better located or more productive than other land. As population and demand increased, less productive land had to be cultivated.
The price of grain therefore had to rise sufficiently to make cultivation of the least productive land worthwhile. Owners of superior land earned a surplus because their costs were lower while the market price was determined by the less productive marginal land.
That surplus was economic rent.
The same logic applies directly to energy.
Some oilfields can produce at very low cost. Others require deepwater drilling, complex processing, hydraulic fracturing, artificial lifting, extensive transport infrastructure or large amounts of capital.
If global demand can be satisfied entirely from low-cost fields, prices may remain relatively low.
If demand requires more expensive production, the market must support the cost of the additional marginal supply.
Low-cost producers then receive the higher market price while retaining their lower production costs. The difference becomes a form of Ricardian rent.
This helps explain why some producers make extraordinary profits during energy crises even when their own extraction costs have changed very little.
The crisis does not necessarily make their oil more expensive to produce. Instead, it increases the value of available supply and raises the cost of securing the marginal barrel.
The Marginal Barrel and the Market Price
Energy prices are often misunderstood because people assume they should reflect the average cost of production.
Markets do not usually operate that way.
The relevant price is often influenced by the cost or value of the final unit needed to balance supply and demand.
In oil markets, this may be a higher-cost field, a more expensive transportation route, a draw from storage or additional production that becomes viable only at a higher price.
When supply is abundant, the marginal barrel may be relatively cheap.
When the market becomes tight, increasingly expensive or difficult supply may be required. The price needed to balance the market rises.
However, the marginal cost of production does not mechanically determine the short-term oil price.
In the short run, prices are also influenced by inventories, spare capacity, expectations, financial positioning, transport constraints, producer decisions and fears about future disruption.
The market price may therefore rise far above the production cost of the highest-cost barrel during a panic. It may also fall below production cost during a period of oversupply.
This distinction is important.
Long-run marginal cost helps determine which projects can remain commercially viable over time.
Short-run scarcity pricing reflects the immediate competition for limited available supply.
During an energy crisis, producers may earn two related forms of surplus.
The first is Ricardian rent, arising from superior geology, lower costs or better location.
The second is scarcity rent, arising because available supply is temporarily limited.
A low-cost producer with secure export routes and spare production capacity may earn both at once.
Why Small Disruptions Can Cause Large Price Increases
A supply disruption does not need to remove a huge proportion of total global output to produce a dramatic price response.
It needs only to remove the supply that was balancing the market.
Imagine a market consuming 100 million barrels a day and producing almost exactly the same amount. If one or two million barrels disappear, the percentage loss may look small.
But the market must still find a way to reduce consumption, release inventories, redirect supply or encourage additional production.
Prices rise until enough buyers reduce demand or enough sellers provide alternatives.
The final missing barrels are therefore disproportionately important.
They are the barrels that determine whether the market is balanced.
This is why the loss of a relatively small share of supply can create a far larger movement in price, especially when inventories are low and spare capacity is limited.
Low-cost producers benefit most because they continue to receive the higher market price while their own production costs remain comparatively stable.
Electricity Markets and the Merit Order
Electricity markets make this dynamic particularly visible.
Generators are often dispatched according to a merit order, beginning with those that have the lowest short-run marginal costs.
Wind and solar power have no fuel cost once built. Nuclear and hydroelectric generation may also have relatively low operating costs. Gas, coal and oil-fired plants generally face higher fuel costs. Emergency or peaking generation may be more expensive still.
As demand increases, more expensive generators are brought into operation.
In many day-ahead wholesale electricity markets, the most expensive generator required to meet demand sets the market-clearing price for that trading period.
This creates a structure similar to Ricardo’s agricultural model.
The low-cost generator resembles highly productive land. The expensive marginal generator resembles the least productive land required to meet total demand. The difference between the market price and the low-cost generator’s operating cost becomes an inframarginal rent.
This is not a marginal curiosity — it is how the power bill is written. The marginal fuel, not the average fuel, sets the price. In Great Britain — where the hour-by-hour data is cleanest — gas plants set the wholesale price in about 60 per cent of hours in April 2026 while generating only around 16 per cent of the electricity. The mechanism is not peculiar to Britain: wholesale markets across Europe run the same merit order, where gas supplies only ~18–20 per cent of EU generation yet routinely sets the clearing price.
This helps explain why electricity prices can rise sharply when gas prices increase even if much of the electricity is produced by nuclear, wind, solar or hydroelectric power.
A gas-fired plant may supply only the final portion of demand. If it is the marginal generator, however, its cost can influence the wholesale clearing price for the entire market period.
Consumers understandably ask why electricity generated by wind or nuclear power becomes more expensive when the cost of wind or uranium has not risen by the same amount.
The answer lies in marginal pricing.
The price reflects the cost of balancing the system at the margin, not necessarily the average cost of all electricity produced.
However, the effect on household bills is not immediate or identical in every country.
Retail contracts, hedging, network charges, taxes, subsidies, regulation and government intervention can delay, reduce or redistribute the effect. Electricity market design also varies between jurisdictions.
Nevertheless, marginal wholesale prices remain an important underlying influence.
The Problem of Time
Energy markets also contain a conflict between short-term prices and long-term system needs.
A wind farm may have a very low marginal operating cost, but it still requires capital investment, maintenance, grid connections and eventual replacement.
A gas-fired power station may run only occasionally, yet it may be essential during periods when wind and solar output are low.
A market focused primarily on short-run marginal cost may generate very low or even negative prices when renewable output is abundant. These prices benefit consumers in the short term, but they can weaken investment incentives for both new renewable generation and the firm capacity required during shortages.
This creates a paradox.
The assets needed to protect the system may be financially unattractive precisely because they are used only when the system is under stress.
Capacity markets and strategic reserve mechanisms attempt to solve this problem by paying generators for being available, not only for the electricity they produce.
In effect, they recognise that reliability has value even when no energy is being generated.
The Suppressed Signal
There is a deeper connection between the two halves of this argument — the rents that scarcity creates and the resilience that scarcity ought to fund — and it is the connection most often missed.
The very same marginal-pricing mechanism that hands low-cost producers extraordinary windfalls during a crisis is also, in principle, the mechanism that should pay for preventing the next one. A scarcity-price spike is not only a transfer to the fortunate incumbent. It is a signal. It states, in the clearest terms a market can, that spare capacity, storage and standby supply would have been enormously valuable — and it offers the revenue to build them. High prices during the shortage are precisely what reward the reserve that sat idle through the calm. Scarcity rent and readiness are supposed to be two ends of one wire.
The problem is that we rarely let the signal arrive.
When prices spike, governments intervene — understandably, because the human and political cost of a genuine energy shortage is severe. They impose price caps, windfall taxes, clawbacks and emergency levies. Each measure blunts the very peak that would have financed resilience. The result is the phenomenon electricity economists call “missing money”: the scarcity rents that theory says should fund firm capacity are truncated at the top, so the investment case for that capacity never quite closes. We suppress the signal, and then express surprise that nobody built the insurance.
This is the uncomfortable synthesis. The under-provision of resilience is not simply a market failure of omission — markets forgetting to value readiness. It is partly a policy failure of intervention: we cap the prices that would pay for readiness, capture or truncate the rents, and then leave the system dependent on the goodwill of the cheapest supplier and the patience of the most vulnerable chokepoint. The scarcity rent and the missing resilience are not two adjacent problems. They are the same coin seen from opposite sides — and any serious remedy, whether a capacity market, a strategic reserve or a storage mandate, is really an attempt to rebuild, administratively, the funding signal that market intervention keeps switching off.
Renewable Energy and Price Cannibalisation
High levels of renewable generation introduce another challenge: price cannibalisation.
When the sun shines strongly or the wind blows across a large region, many solar panels or wind turbines produce electricity at the same time.
Because their marginal cost is very low, wholesale prices can collapse. In some circumstances, prices can become negative because inflexible generators or subsidised producers continue producing even when supply exceeds immediate demand.
This reduces the revenue received by renewable generators during the hours when they produce the most.
At other times, particularly during periods of low wind and weak solar output, electricity prices may rise sharply.
Europe sometimes refers to prolonged calm, dark conditions as a Dunkelflaute.
During such periods, the system requires storage, interconnection, flexible demand or dispatchable generation.
The result is a system in which prices can oscillate between abundance and scarcity.
Cheap electricity in one hour does not guarantee cheap electricity across the year.
The system must still fund transmission, balancing, storage and firm backup.
Resource Quality and Declining Returns
Ricardian theory also helps explain the development of energy resources over time.
Societies generally exploit the easiest, richest and most accessible resources first.
Early oil production often came from large, high-pressure conventional fields. As these fields matured, the industry moved into offshore basins, deep water, oil sands, tight formations and more complex geological environments.
Mining follows a similar pattern.
High-grade ores are generally developed before lower-grade deposits. Lower-grade resources require more excavation, processing, water, energy and infrastructure to produce the same quantity of usable material.
Renewable energy is not exempt from this principle.
The best wind and solar sites tend to be developed first. Later projects may face less favourable weather conditions, local opposition, longer transmission distances, grid congestion or greater storage requirements.
Technology can offset these pressures.
Improved drilling, better turbines, more efficient solar panels and advanced batteries can make previously uneconomic resources viable.
But technology competes against depletion, declining resource quality, increased complexity and rising infrastructure requirements.
Ricardo’s insight is that as demand expands, society may be forced to use increasingly difficult resources. The cost of marginal supply rises, while owners of superior resources earn larger rents.
Net Energy and EROI
Monetary prices alone do not capture the full physical reality of energy production.
An energy system must use energy to produce energy.
Oil must be discovered, drilled, pumped, transported and refined. Gas must be extracted, processed, compressed, liquefied, shipped and regasified. Solar panels, wind turbines, batteries and power lines must be manufactured, installed, maintained and eventually replaced.
This relationship is often described through energy return on energy invested, or EROI.
EROI compares the amount of usable energy produced with the amount of energy required to obtain it.
A resource with a high energy return leaves a large surplus available to support the wider economy. A resource with a lower return consumes more of its own output simply to sustain production.
This introduces another important distinction.
Market price measures what the buyer pays.
Net energy measures how much usable energy remains after the energy system has powered itself.
Two energy sources may have similar monetary prices while providing different levels of net energy. Subsidies, low-cost credit or high market prices can temporarily conceal declining physical productivity, but they cannot eliminate the underlying energy requirement.
A society therefore depends not only upon gross energy supply, but upon the net energy surplus available after extraction, processing, transport and conversion.
This is one reason energy transitions are more complex than simply replacing one headline quantity of fuel with an equivalent quantity of another technology.
The entire supporting system must also be considered.
Jevons’ Paradox and the Limits of Efficiency
The nineteenth-century economist William Stanley Jevons identified another problem relevant to modern energy markets.
He observed that improvements in the efficiency of coal use did not necessarily reduce total coal consumption. By making steam engines cheaper to operate, greater efficiency encouraged wider adoption and increased overall demand.
This became known as the Jevons paradox.
The same effect appears today.
More efficient vehicles reduce the fuel required for each kilometre, but may encourage people to travel farther. More efficient air conditioning lowers the cost of cooling, but may increase the number of buildings and rooms that are cooled. More efficient data centres reduce the energy used for each calculation, while the total demand for computation continues to grow rapidly.
Efficiency reduces the cost of an energy service. Lower cost can increase demand for that service.
The result is that efficiency improvements may reduce consumption less than expected. In some cases, total consumption may increase.
This does not mean efficiency is pointless. It means efficiency alone does not guarantee lower aggregate energy use.
Ricardo explains why production becomes specialised. Jevons explains why increased efficiency can expand the scale of the system.
Together, they help explain how economies can become more efficient per unit while consuming more energy in total and becoming more dependent upon continuous supply.
Geography, Infrastructure and Chokepoint Rent
Economic rent can arise from location as well as geology.
A pipeline, port, refinery, transmission line or LNG terminal may become exceptionally valuable because it occupies a strategic position.
This is especially visible around maritime chokepoints such as the Strait of Hormuz, the Suez Canal, Bab el-Mandeb, the Turkish Straits and the Panama Canal.
When these routes operate normally, their strategic importance can be overlooked.
The Strait of Hormuz makes the point concrete. Before the current conflict it carried roughly a quarter of the world’s seaborne oil — and about a fifth of its LNG — an assumption so routine that its risk premium had all but vanished from the price. During 2026 the assumption stopped holding. As the United States and Iran traded strikes, traffic kept moving intermittently through both corridors, but tanker attacks, mines, electronic interference and widespread AIS suppression made reliable passage scarce — transits fell to just six vessels on 12 July, a five-week low. Freight, war-risk insurance and official selling prices began to adjust by loading location. The oil had not changed. Its accessibility had — and the latent chokepoint rent, invisible for years, reappeared in a matter of days.
When passage becomes constrained or threatened, alternative routes and available transport capacity become enormously valuable.
A barrel of oil on one side of a blocked route may be worth substantially less than an identical barrel on the other side.
The oil itself has not changed.
Its accessibility has.
This creates location and congestion rents.
The same principle applies to electricity networks. When transmission between two regions is limited, prices can diverge sharply. A generator located on the constrained side of the network may receive a higher price because local demand cannot easily be supplied from elsewhere.
Gas markets behave similarly.
A country may possess access to sufficient global gas supply in theory, yet experience local scarcity because it lacks pipelines, storage facilities or LNG regasification capacity.
Energy security is therefore not simply a question of how much energy exists.
It is a question of whether energy can reach the required location at the required time.
Economic Rent Becomes Political Power
Energy rents do not remain purely economic.
They can become a source of political power.
Control over low-cost reserves, pipelines, refineries, ports, electricity interconnectors or mineral-processing capacity gives the owner leverage over those who depend upon them.
Governments may use energy exports as instruments of foreign policy. Companies may lobby to protect privileged market positions. Political groups may compete to control licensing, taxation and infrastructure. Large rents can encourage corruption, regulatory capture, resource nationalism and conflict.
This is especially important in countries where energy revenues dominate the state budget.
Control over oil or gas income can strengthen governments, finance military power, support patronage networks or reduce the need for broad domestic taxation.
The ownership of energy resources therefore shapes political institutions as well as market prices.
Ricardian rent is not merely a surplus appearing on a company balance sheet. It can influence diplomacy, security policy, domestic governance and the distribution of power.
New Energy Systems Create New Dependencies
The transition away from fossil fuels may reduce some forms of dependency, but it does not eliminate strategic concentration.
It changes its location.
Electric vehicles, batteries, wind turbines, solar panels and electricity networks require large quantities of minerals, processed materials and specialised components.
Lithium, cobalt, nickel, copper, graphite, rare earth elements and high-purity silicon have become strategically important.
The geological distribution of these resources matters, but processing capacity may matter even more.
A country may possess mineral deposits while lacking the industrial infrastructure required to refine them into usable materials.
This creates new forms of comparative advantage, rent and vulnerability.
A transition designed solely around the cheapest available components may reproduce the same strategic problem that emerged in oil and gas: concentration of production, limited alternatives and dependence upon politically sensitive supply chains.
The technology changes.
The underlying economic logic does not.
From Energy Shock to Compound Cascade
The most important application of these theories lies in understanding how an energy shock spreads.
A highly specialised global system can be extremely efficient during normal conditions.
Low-cost producers supply industrial centres. Shipping routes and pipelines move resources across borders. Electricity markets balance generation in real time. Companies minimise inventories. Governments reduce excess capacity.
Each decision may be rational by itself.
Together, they can create systemic fragility.
A disruption to a major supplier or transport route raises the cost of marginal energy. Higher energy prices feed into electricity, transport, chemicals, fertiliser and manufacturing.
Fertiliser costs affect agricultural production. Transport costs affect food distribution. Higher food and energy prices increase inflation. Central banks may respond with higher interest rates. Borrowing becomes more expensive. Investment slows. Employment weakens. Government finances deteriorate. Political pressure increases.
The original energy disruption becomes a compound cascade.
The process can be summarised as follows:
Cheap specialist production encourages dependency.
Dependency increases concentration.
Concentration increases vulnerability.
Disruption forces the market towards more expensive marginal supply.
The marginal price rises.
Low-cost producers earn greater rents.
Import-dependent industries lose competitiveness.
The consequences spread through the wider economy.
This is why energy cannot be treated as an isolated sector.
Energy is one of the principal transmission mechanisms through which geopolitical, industrial, financial and social shocks interact.
Strategic Risk and the True Cost of Energy
Classical market prices struggle to include many of the risks that matter most.
These include:
- national security;
- political coercion;
- war and embargo risk;
- infrastructure sabotage;
- cyberattack;
- chokepoint disruption;
- reserve capacity;
- correlated system failures;
- the social cost of shortages;
- the cascading effects of industrial shutdown.
These costs are difficult to attach to an individual barrel, megawatt-hour or gas contract.
They exist outside the immediate transaction.
An imported fuel may appear cheap only because the price excludes the cost of maintaining emergency alternatives. A just-in-time supply chain may appear efficient only because every link is assumed to remain reliable.
The market price captures the cost of obtaining supply under current conditions.
It does not necessarily capture the cost of losing that supply.
Toward Resilient Comparative Advantage
The answer is not complete self-sufficiency.
Autarky would be prohibitively expensive or physically impossible for most countries. Many states lack the resources, geography, industrial base or scale needed to produce every form of energy domestically.
Nor is the answer unrestricted dependence upon the cheapest global supplier.
A more complete principle is required.
Countries should pursue the gains from comparative advantage and international trade while deliberately preserving resilience.
This means maintaining diversified suppliers, strategic reserves, domestic backup capacity, flexible infrastructure, storage, alternative transport routes and emergency planning.
It may require accepting some deliberate inefficiency.
A reserve refinery, standby power station or alternative pipeline may earn a low financial return during normal periods. Its real value lies in preventing a much greater loss during abnormal periods.
The question is therefore not whether redundancy is inefficient.
The question is whether the cost of redundancy is lower than the expected cost of failure.
And, as the earlier discussion of gamed capacity markets and captured reserve rules makes clear, it is not enough to decide that redundancy is worth buying. The harder question is how much, and chosen by whom — because the same mechanisms that fund resilience can be captured by the incumbents they enrich. Resilience procured badly is simply a subsidy wearing a security uniform.
Markets can contribute to this balance, but they may not achieve it automatically — particularly when public policy keeps truncating the scarcity prices that would otherwise fund preparedness.
Policy mechanisms such as capacity payments, strategic reserves, minimum storage requirements, diversified procurement rules and investment in interconnected infrastructure may be necessary to internalise risks that ordinary market prices ignore. But they should be understood for what they are: administrative attempts to rebuild a funding signal that intervention elsewhere keeps switching off — and they are only worth having if they are designed to resist the capture that has undermined earlier versions.
Conclusion
Ricardo helps explain why the modern energy system evolved towards specialisation, trade and concentration.
Comparative advantage encouraged countries to rely upon the producers capable of supplying energy at the lowest relative cost. The theory of rent explains why owners of superior resources and infrastructure receive large surpluses. Marginal pricing explains why the cost of the final unit needed to balance the market can shape the price paid for every other unit.
Jevons adds a further warning: greater efficiency may expand the scale of energy use rather than reduce it.
Together, these ideas explain both the strength and vulnerability of the modern system.
Specialisation lowered costs. Trade expanded access. Technology increased efficiency. But the resulting system also concentrated dependencies, reduced redundancy and increased exposure to disruption.
The central mistake is to confuse a cheap unit of energy with a cheap energy system.
The first is measured at the point of sale.
The second can be measured only after the costs of infrastructure, volatility, dependency, interruption, resilience and recovery have been included.
A barrel of oil may be cheap.
A gas contract may be cheap.
A kilowatt-hour may be cheap.
But if the wider system depends upon a single supplier, a vulnerable chokepoint, an unstable political relationship or a market structure that fails to reward — and is not even permitted to fund — backup capacity, the apparent saving may be an illusion.
Ricardo explains why economies pursue the cheapest unit.
Strategic analysis explains why societies must also protect the system that delivers it.
The challenge is not to choose between efficiency and security. It is to recognise that a system incapable of surviving disruption was never truly efficient in the first place.
This essay is the framework beneath our live coverage of the 2026 energy shock — the categories it names (buffer, threshold, chokepoint rent, the marginal unit) appear there in real time. See it at work: The Second Shock Is Not the First audits, buffer by buffer, a system that has already spent its shock absorbers; Hormuz Is Not Reopened traces chokepoint rent and the diesel squeeze as they surface downstream.