Fundamentals

Inflation and Political Power: Who Bears the Costs?

By Daniel Sardá · Published on September 23, 2026

8 min read1,567 words

Inflation does not affect everyone alike. Understanding its channels shows how public decisions redistribute costs and why rules matter.

Money lets people compare prices, save, and enter into contracts to be performed in the future. But those functions depend on one basic condition: a reasonable degree of predictability. When money’s value changes quickly, life does not merely become more expensive. Resources are also redistributed between citizens and the state, between debtors and creditors, and between people who can protect themselves and those whose incomes adjust late.

That is why talking about inflation also means talking about political power. Not every increase in prices follows from a deliberate decision, but public institutions shape how monetary instability begins, spreads, and is corrected. The central question is not only how much prices rise, but who gets to decide, who can anticipate the change, and who ultimately bears the cost.

What inflation is—and is not

Inflation is a broad and sustained increase in the general price level. As the Bank of Spain and the European Central Bank explain, it reduces purchasing power: the same amount of money buys fewer goods and services.

Not every price increase is inflation. A poor harvest may make a particular food more expensive; a disruption in logistics may temporarily raise the cost of certain products. Inflation requires the increase to extend across a meaningful part of the economy and to persist over time.

The price level should not be confused with the inflation rate, either. If inflation falls from 10 percent to 3 percent, prices have not necessarily returned to their previous level: they are still rising, only more slowly. That process is called disinflation.

Key idea: Inflation is a general and persistent rise in prices—not any isolated price increase or a mere change in the exchange rate.

These distinctions matter because an imprecise diagnosis leads to mistaken responses. Freezing the visible price of one good, for example, does not by itself remove the forces raising the overall price level.

Where it comes from: distinct channels, connected decisions

No single sequence explains every episode of inflation. Supply constraints, increases in demand, exchange-rate movements, expectations, fiscal policy, and monetary conditions can all play a part. These factors are not interchangeable, but they can reinforce one another.

An energy shock can raise costs across many sectors. If households and firms expect increases to continue, they may try to adjust wages, margins, and contracts. Those responses are not irrational: each actor is trying to protect itself. Yet they can make a disturbance that began outside monetary policy more persistent. It is therefore useful to distinguish among the different causes of inflation.

The connection to fiscal power becomes particularly clear when a government runs deficits and persistently finances them through money creation. The International Monetary Fund distinguishes seigniorage, the revenue obtained through issuing money, from the so-called inflation tax, which erodes the real value of money held by the public. This does not mean every deficit produces inflation or that every monetary expansion causes it automatically. The effect depends, among other things, on money demand, productive capacity, expectations, and the authorities’ response.

The political dimension lies in the incentive: financing spending without levying an explicit tax may be attractive in the short term. The cost, by contrast, is dispersed through a loss of purchasing power and is less visible than a budget line item.

Who pays first, and who can protect themselves?

Inflation does not distribute an identical bill to everyone. What matters is when incomes adjust, how savings are held, what kind of debt is involved, and which goods each household consumes.

Consider someone whose salary is reviewed once a year. If prices rise for several months before the next adjustment, that person’s real income falls in the interim. A firm or worker with greater bargaining power may respond sooner. A saver holding cash or low-yield deposits sees the real value of that balance erode; someone with assets that can adjust to prices may have more protection, though there is no guarantee.

Debt contracts offer another example. Unexpected inflation can benefit a debtor with a fixed nominal interest rate, because the debt is repaid with money of lower purchasing power, and it can harm the creditor. But not all debtors gain: if the rate is variable, the debtor’s income does not adjust, or new credit becomes more expensive, the outcome may be very different. The ECB emphasizes that the effects depend on each household’s income, assets, liabilities, and consumption patterns.

Key idea: Inflation redistributes even when nobody designed that redistribution in advance. The ability to adjust prices, wages, portfolios, and contracts determines much of the outcome.

This unequal capacity to adapt explains why inflation’s effects on purchasing power go well beyond a statistical average. The overall index may be the same for everyone, but the economic experience is not.

When prices stop providing guidance

In a market economy, prices convey information. They indicate which goods are scarcer, where demand is growing, and which activities may warrant new investment. Inflation makes it harder to distinguish a change in one product’s relative price from a general loss in the value of money.

That confusion has practical consequences. A firm may read a nominal rise in sales as a sign of greater demand when part of the change merely reflects inflation. A household may accept a pay increase and later find that its purchasing power has fallen. The greater the uncertainty, the harder it becomes to set time horizons, compare projects, or agree on future payments.

Expectations matter here. If citizens and firms consider a commitment to stability credible, a shock may have more limited effects. If they distrust the institutional response, they are more likely to protect themselves through early adjustments. But expectations do not float in a vacuum: they respond to policies, results, and observable rules.

Persistent inflation also undermines the predictability of rules and contracts. It does not legally cancel an agreement, but it can substantially alter what the parties expected to give and receive. The monetary problem thus reaches the trust needed for long-term cooperation.

Stabilizing is not the same as hiding prices

In response to the distress inflation causes, limiting prices by decree can seem like an immediate solution. It may temporarily contain some recorded prices, but it does not eliminate scarcity, a fiscal imbalance, or a monetary expansion inconsistent with money demand. If the authorized price does not cover costs or reflect scarcity, shortages, lower quality, rationing, or parallel markets may emerge.

Stabilization requires action on the mechanisms sustaining inflation. Depending on the case, that may require fiscal discipline, a coherent monetary policy, removal of supply constraints, and communication capable of rebuilding credibility. The combination matters: asking a central bank to contain prices while fiscal policy depends on monetary financing creates conflicting objectives.

It is also necessary to acknowledge that disinflation can impose temporary costs. When wages and prices do not adjust immediately, tighter monetary policy can slow activity and employment. Presenting stabilization as costless conceals a real trade-off; using that trade-off as an excuse to postpone it indefinitely shifts the cost forward and magnifies it.

Limits on power without unaccountable expert rule

A common institutional response is to protect a central bank’s operational autonomy. The purpose is to reduce pressure to expand money or make credit artificially cheap before an election, or to ease government financing. Evidence summarized by the Bank for International Settlements finds an association between greater independence and lower inflation, but it does not justify treating that relationship as an automatic guarantee.

Legal independence can coexist with unclear mandates, limited technical capacity, or incompatible fiscal policies. Nor should autonomy mean the absence of democratic oversight. A central bank needs a public mandate, understandable objectives, transparency about its decisions, and accountability. Central bank independence is an arrangement for allocating power, not the transfer of unlimited power to technocrats.

Key idea: Limiting monetary discretion does not mean removing politics; it means subjecting powerful decisions to known mandates, procedures, and responsibilities.

The same applies to fiscal rules. A useful rule does not replace judgment or anticipate every emergency, but it raises the political cost of concealing imbalances or shifting them into the future. To be credible, it must be understandable, verifiable, and flexible enough to address exceptional circumstances without turning into a permanent exception.

Monetary stability as an institutional limit

The relationship between inflation and political power is not about finding scapegoats. It is about asking who controls tools capable of changing the real value of wages, savings, and debts; what incentives guide that control; and what limits protect people who cannot adapt quickly.

From a liberal perspective, monetary stability matters because it supports economic calculation, property as expressed through contracts, and voluntary cooperation over time. But defending it requires more than promising a low number: it calls for coordination between fiscal and monetary policy, accountable authorities, and rules that make the costs of public decisions visible.

A predictable currency does not eliminate distributive conflicts or external shocks. It does reduce the scope for resolving them through an opaque erosion of purchasing power. That is the decisive link between inflation and power: when rules are weak, decision-makers can defer costs; when rules are clear and credible, it becomes harder to impose them without explanation or accountability.