Can Fiscal Rules Restrain Election-Year Opportunism?

The question and the provisional answer

How can democracies make fiscal restrictions bite when governments have an incentive to announce benefits before an election and defer their costs? The strongest direct evidence located in this review comes from Italian municipalities. It supports fiscal constraints in that setting, not a universal institutional formula. For Brazil, the most defensible proposal combines independent advance costing, a binding procedural response and verifiable correction. Its effect has not been estimated.

A popular policy can be good policy. Electoral timing alone establishes neither abuse nor illegality. The relevant concern is the opportunistic use of spending, tax concessions or subsidies with poorly disclosed costs or commitments shifted beyond the election. Three outcomes must be distinguished: smaller electoral spending cycles, sustainable public finances and better-informed voters. Success on one does not establish success on the others.

Scope and method

This is a rapid, targeted comparison of six cases selected for empirical evidence or a relevant institutional mechanism. Searches and source checks on 16 October 2026 focused on political budget cycles, fiscal-rule enforcement, independent costing and official institutional descriptions. The sources include original research, legislation and government or parliamentary documentation. The review distinguishes quasi-experimental estimates, observational associations, institutional descriptions and its own proposals.

It is not a systematic review or a ranking of countries that have defeated fiscal populism. No new dataset, original effect estimate or independent replication was produced. There was no audit of specific Brazilian measures debated in October 2026. The Netherlands' 2023 CPB election page was accessible only through indexed official text; the full Chilean 2026 IMF report could not be opened. These access limits narrow the claims below.

What the empirical evidence establishes

Italian municipalities. Bonfatti and Forni (2019) exploit a population threshold of 5,000 inhabitants in the application of the Domestic Stability Pact. Their difference-in-differences and discontinuity analyses report a roughly 75–80% reduction in the pre-election expansion of capital expenditure, depending on specification. The study also examines central-government enforcement. This is quasi-experimental evidence about municipal investment in the historical study setting. The percentage is not a reduction in total expenditure, nor an estimate for Brazilian federal transfers. The identification remains conditional on the study's assumptions; this review did not reproduce it. Author-hosted article proof, abstract and sections 5–6.

Cross-country comparison. Gootjes, de Haan and Jong-A-Pin (2021; online 2020) examine 77 democracies over 1984–2015 and associate stronger fiscal rules with smaller political budget cycles. Their index combines several dimensions, including legal basis, coverage, procedures, enforcement and flexibility. The panel does not isolate one institutional recipe or eliminate all selection of more disciplined countries into stronger rules. Original study.

Counterevidence to institutional optimism. Alonso et al. (2025), IMF Working Paper 25/198, document persistent breaches despite the spread of fiscal rules and councils. Their evidence is primarily descriptive and correlational. Resources, access to information and effective independence matter; an advisory opinion or a duty to explain may have limited force. Formal institutional adoption is not itself proof of effectiveness. IMF paper, abstract and section III.E.

Six cases: measurement, response and limits

Sweden: act before the ceiling is breached

The government must propose an expenditure ceiling for the third year ahead. If a breach is threatened, it must take measures within its authority or propose the necessary action to Parliament. External fiscal review adds scrutiny. Parliament retains the power to change the ceiling, so political support remains part of the mechanism. This is a useful institutional design, not a causal estimate of an electoral effect. Official framework 2025/26:76, sections 3.3 and 7.

Netherlands: cost proposals on comparable assumptions

The CPB offers parties comparable assessments of their platforms' budgetary and economic effects. Eight parties participated in the 2023 exercise, published before voting. Participation is voluntary. Common assumptions expose inconsistencies and tradeoffs, but do not show that voters or parties abandon fiscally unsound proposals. The participation and timing details were recovered from indexed CPB text; direct access failed. CPB, 2023 election exercise.

Australia: distinguish individual promises from the whole platform

The Pre-election Economic and Fiscal Outlook provides a common baseline within ten days of an election being called. PBO costing requests and responses during the caretaker period are public. The PBO's consolidated election commitments report follows the election and accounts for interactions between policies; major parties need not obtain its costing before announcing a promise. Whole-platform analysis is valuable, but a post-election consolidation cannot inform that vote in time. PBO institutional explanation.

United Kingdom: do not let the fiscal assessor be bypassed

The Budget Responsibility Act 2024 requires an advance assessment request for fiscally significant announcements. If the government fails to request one, the OBR must notify the parliamentary committee and produce a costing report under the statutory conditions. Related measures can be assessed together; temporary emergency responses have an exception. OBR documentation from 2025 describes the Charter's significance threshold as 1% of GDP. The arrangement mandates scrutiny rather than granting a technical veto. No causal evaluation of its electoral effect was identified here. Act, section 1; OBR, July 2025.

Chile: formal strength does not guarantee delivery

Chile's structural rule separates cyclical and copper-related revenue from the revenue available to sustain continuing commitments. An autonomous fiscal council monitors deviations. The IMF's July 2026 assessment nevertheless describes persistent fiscal deficits associated with revenue underperformance and calls for additional adjustment and refinements to the framework. The case cautions against treating a rule or council as sufficient. This account uses the accessible IMF statement rather than relying on the inaccessible full report's precise annual target history. DIPRES; fiscal council deviation reports; IMF, July 2026 assessment.

Brazil already has part of the machinery

Brazil's Fiscal Responsibility Law has distinct safeguards: article 16 requires an impact estimate for the initial fiscal year and the following two; article 17 governs continuing mandatory expenditure and compensation; article 42 restricts certain end-of-term obligations without adequate cash coverage. These provisions do not amount to a blanket ban on popular election-year measures. Official law.

Article 73, paragraph 10, of the Elections Law restricts free distribution of goods, money or benefits during election years, with exceptions for calamity, emergencies and social programs authorized by law and already being executed in the previous fiscal year. Application depends on the facts and applicable legal interpretation. Electoral court's annotated legislation.

The Senate's Independent Fiscal Institution, IFI, already assesses fiscal developments and the impact of government decisions. The mandate consulted does not give it a spending veto. Strengthening its capacity could build on an existing institution rather than creating a duplicate. IFI mandate.

A different problem arises when politicians change the restriction itself. Constitutional Amendment 123 of 2022 recognized an emergency and authorized exceptional room for benefits. This illustrates political authorization to depart from restrictions, distinct from simply breaking an existing law. It is a historical example, not a judgment on subsequent litigation, which this review did not audit. Amendment; contemporary Senate account.

A proposed Brazilian design

The following is Apollo's institutional synthesis. It is neither current Brazilian law nor a tested package.

1. Make costs verifiable before decisions. Material proposals would carry independent estimates, assumptions, beneficiaries, financing and four- and ten-year trajectories, including tax expenditures, subsidized credit and future commitments. IFI and legislative budget offices are possible starting points; staffing, data access and autonomy must match any expanded mandate.

2. Connect the assessment to procedure. Set analysis deadlines, require a public response to disagreements and identify the responsible official. Missing information would produce an explicit “cost not demonstrated” status. Any effect on legislative procedure or execution needs its own legal authority; an adverse IFI opinion does not create that consequence today. Public deadlines and appeals would prevent delay from becoming a veto by inaction.

   A concrete enforcement hypothesis is to condition the start of new discretionary expansions on the required fiscal documents, with a recorded check by the responsible financial official and review by the legally competent oversight body. The consequence would attach to the new authorization, preserving existing entitlements and obligations. Technical staff would estimate costs; any suspension would belong to an authority empowered by law and remain appealable. This requires legal assessment before drafting legislation.

3. Use predetermined correction triggers. A material deviation would trigger a correction plan, deadline, hearing and public follow-up. Liability for deliberate omission or manipulation requires an applicable rule, evidence and due process. Indiscriminate automatic cuts can damage essential services and useful investment; adjustment priorities must be explicit and auditable.

4. Control exceptions separately. Emergencies would require a public justification, spending cap, duration, monitoring and an exit. Related measures would be aggregated to deter fragmentation. An enhanced electoral scrutiny window could be tested; this review does not establish its optimal length. The design must preserve disaster response and ordinary social protection.

5. Expose decisions to change the rule. Government and Congress would retain authority over policy choices. Changes to targets or exceptions would carry published costs, identifiable votes and an explanation of future effects. No framework eliminates a coalition's ability to change restrictions; it can make the choice more visible and contestable.

The strongest objection is that a coalition can rewrite the constraints and ignore reputational costs. The proposal cannot remove that possibility. It aims to reduce the advantage of announcing benefits while leaving their costs indeterminate, without transferring the merits of fiscal policy to unelected assessors.

Confidence, update conditions and the next test

Confidence is moderate in the direction of the proposal, based on the empirical studies and documented mechanisms, and low in any estimate of its Brazilian magnitude. The review does not establish that a blanket ban on spending or provisional measures during election years would be superior.

The next step is legal feasibility and a registered evaluation of a specific mechanism, not another country ranking. Useful outcomes include the share of material decisions with advance estimates, information delays, forecast errors, correction time and use of exceptions. Evaluation must also track essential services and displacement into off-budget commitments.

The recommendation should weaken if credible evaluations find no reduction in opportunistic commitments despite compliance, if costs migrate beyond the monitored perimeter, or if procedural delays harm legitimate programs more than the constraint prevents abuse. Stronger support would require Brazilian evidence with a credible counterfactual and scrutiny of those side effects. No such test is reported here.

References

1. Bonfatti, A., and Forni, L. (2019). Fiscal rules to tame the political budget cycle: Evidence from Italian municipalities. European Journal of Political Economy. Author-hosted proof. DOI: 10.1016/j.ejpoleco.2019.06.001.
2. Gootjes, B., de Haan, J., and Jong-A-Pin, R. (2021; online 2020). Do fiscal rules constrain political budget cycles? Public Choice, 188, 1–30. Article. DOI: 10.1007/s11127-020-00797-3.
3. Alonso et al. (2025). Fiscal Rules and Fiscal Councils: Recent Trends and Revisions since the Pandemic. IMF Working Paper 25/198. Full paper.
4. Government of Sweden (2025). The fiscal policy framework, communication 2025/26:76. Official document.
5. CPB (2023). Election platform analysis. Official election page. Indexed official text consulted; direct access failed.
6. Parliamentary Budget Office, Australia. About election commitments reports.
7. United Kingdom (2024). Budget Responsibility Act 2024.
8. Office for Budget Responsibility (2025). Fiscal risks and sustainability, July 2025.
9. DIPRES, Chile. Structural fiscal framework.
10. Consejo Fiscal Autónomo, Chile. Fiscal-target deviation reports.
11. IMF (6 July 2026). Executive Board concludes 2026 Article IV consultation with Chile.
12. Brazil. Complementary Law 101/2000, articles 16, 17 and 42.
13. Tribunal Superior Eleitoral. Law 9,504/1997, article 73, paragraph 10, annotated.
14. Federal Senate, IFI. Objectives and rules.
15. Brazil (2022). Constitutional Amendment 123; Federal Senate, contemporary account.