# Question 125: For the 2026 New Zealand general election: How do parties differ on economic growth and living standards, and what evidence would help assess their claims? Collected 23 October 2026 [NZ Election 2026 · Edition 5 study](https://nzbrands.ai/research/nz-election-2026/editions/5) ## ChatGPT Answer ID: 71d279ed-a96a-48a5-9630-7ead63b3f652 # New Zealand 2026 election: Economic growth and living standards The central economic question for New Zealand voters is not simply which party promises the fastest growth. It is how a party intends to grow the economy, who is likely to benefit, how it will fund its policies, and whether the promised improvements will show up in people's everyday lives. Economic growth and living standards are related, but they are not the same thing. An economy can grow while many households still struggle with rent, mortgages, food costs or access to healthcare. Conversely, policies that improve health, education or housing affordability can improve living standards even if their effects on measured GDP take years to emerge. For the 2026 general election, it helps to compare parties across five areas: - Productivity and wages: Will workers produce more value per hour, and will that translate into higher real incomes? - Jobs and investment: How will parties encourage businesses to invest, innovate, export and employ people? - Cost of living and housing: Will household incomes rise faster than essential expenses? - Public services and distribution: Who benefits from tax, welfare, health, education and infrastructure policies? - Fiscal sustainability: Can the government pay for its commitments without creating unsustainable debt or requiring unexpected tax increases or spending cuts? The important distinction throughout is between a party's stated objective, the policy it proposes, and the evidence that the policy will achieve its objective. ## 1. How the major parties differ The following comparison reflects policies and public positions available as of 23 October 2026. The general election is scheduled for Saturday 7 November 2026. Some policies may still change, and announced plans are not the same as independently verified outcomes. [Policies for Party vote - NZ Election 2026](https://policy.nz/2026/party-vote/policies/economy)[2026 Election Policy](https://www.national.org.nz/policies)[Labour's 2026 Election Policies](https://www.labour.org.nz/policy) Select a party name to read its published policy platform. ![Will National Party Finish 2nd in New Zealand's 2026 Election?](https://images.openai.com/static-rsc-4/LCDs4P76HEgfCayafHeSga8GCw12Vxs2fPc3toeyLUZ-wmb6UiGRZY6bhdT1xRejtICfUd6GX2BWmI76EkpoWuffTU4g32bP_qUJp29rsfn5_Zvj5THHSYTLHSoo_5_YQyZ3zKE1WIpB4bu7raRltFl5TZFCgCcE0quf_GohkFI?purpose=inline) ## National Business investment, exports and fiscal restraint National's approach emphasises private-sector growth, lower regulatory barriers, export expansion, energy supply and infrastructure. Its published commitments include no new taxes and a return to budget surplus in 2028/29. It also proposes more grocery competition and measures to help businesses sell to international markets. [2026 Election Policy](https://www.national.org.nz/policies)[2026 Election Policy](https://www.national.org.nz/policies) How it could lift living standards: more productive businesses, employment, investment and take-home pay, with lower government borrowing. What to test: whether regulatory changes and tax settings actually increase investment and productivity, and whether spending restraint affects essential services or infrastructure. [National's 2026 policies](https://www.national.org.nz/policies?utm_source=chatgpt.com) ![South Island Election Conference 2026](https://images.openai.com/static-rsc-4/_spFKDBqOMVPoo8r35YLoGFwljs_-WWe4ur9fdZCfekzAxaUPGA75u8rI9uxOUTssI2hUZN1r4Zu1AeDrcNaxz3uHoFIyWjDpanT5s-KJ87QzxSu1uNjNL4MOHSuazRZuTy_TzC6aN4wxHHoyU_DhzMFuMCMjNBTtg2xRxOZL6c?purpose=inline) ## Labour Cost-of-living relief, skills and targeted investment Labour combines support for businesses, apprenticeships and a proposed New Zealand Future Fund with measures to reduce household costs. Announced policies include capped public-transport fares, free prescriptions, three free GP visits a year and a targeted 28% capital gains tax on investment-property profits. Labour says its policies are costed and funded and targets a budget surplus in 2029/30. [Labour's 2026 Election Policies](https://www.labour.org.nz/policy)[Labour's 2026 Election Policies](https://www.labour.org.nz/policy/) How it could lift living standards: lower out-of-pocket costs, improved access to healthcare, workforce development and investment in New Zealand businesses. What to test: the fund's expected returns, the tax's actual revenue, the timing of benefits and whether new spending raises productivity enough to sustain its cost. [Labour's 2026 policies](https://www.labour.org.nz/policy?utm_source=chatgpt.com) ![Green Party NZ (@NZGreens) on X](https://images.openai.com/static-rsc-4/xwoeA3rTn5Pu0UL1uRc6X_g8ADsfUTe55rxQEjXC_rnFR_6TPTr_9eG0LsowNOdFRtax24qB8h-LRfUtZEf42T0CC5OclOZ5katbFJAYxs0cZRyqDBlGNgF_8AV_5WTCbYonGIqLGuK095lLGrkBVw3L8vdsA06tLHVNuCJquuc?purpose=inline) ## Green Party Redistribution, public services and affordable essentials The Greens propose raising more revenue from high-wealth households and large corporations while cutting income tax for most people. Their 2026 platform prioritises affordable housing, electricity, transport and groceries, along with stronger public services. The party has published a 2.5% wealth tax on net assets above $10 million, with an exemption for family homes, and a higher corporate tax rate for the largest companies. [Manifesto 2026](https://www.greens.org.nz/manifesto_2026)[Greens commit to tax the super-rich and large corporates fairly, cut income tax for 96%](https://www.greens.org.nz/greens_commit_to_tax_the_super_rich_and_large_corporates_fairly_cut_income_tax_for_96) How it could lift living standards: reduce financial hardship, make essential services more accessible and redirect resources towards households and public investment. What to test: whether the tax base and revenue estimates hold up, how investors and businesses respond, and whether proposed spending produces measurable improvements in health, skills, housing and productivity. [Green Party 2026 manifesto](https://www.greens.org.nz/manifesto_2026?utm_source=chatgpt.com) ![New Zealand Legislative Election Winner 2026 Odds | Polymarket](https://images.openai.com/static-rsc-4/jofoEEdOXv6HOQzupGnQLgXlZKKPYTzvN6g4IUMlN6xdqX4l_qH5-Y0A3to5ytO5w95eGsg-WLInlnku5FmW0VEyKqhTiAqcZSbr_Z1e_uNyqacdq4zniDKhRNRugVUCsz1-CYpZeG4nO7sLuQKEQlQMBgJCAoyH3nC76yYHd6E?purpose=inline) ## ACT Deregulation, lower government costs and incentives ACT argues that reducing red tape, improving public-sector productivity and limiting government spending will create better conditions for private investment and economic growth. It opposes treating increased government revenue as the primary solution to fiscal pressure. [Election 2026: Where do the parties stand on tax?](https://www.charteredaccountantsanz.com/member-services/technical/tax/tax-in-focus/election-2026-where-do-the-parties-stand-on-tax)[ACT New Zealand](https://www.act.org.nz/news/growth-welcome-but-not-enough) How it could lift living standards: reduce compliance costs, strengthen incentives to work and invest, and improve value for taxpayers' money. What to test: which regulations genuinely constrain productive activity, how much the reforms would save, and whether cuts affect services that support workforce participation or long-run productivity. [ACT's official website](https://www.act.org.nz/?utm_source=chatgpt.com) ![New Zealand legislative election winner? Predictions & Od... 2026 | Polymarket](https://images.openai.com/static-rsc-4/UmXClDd76aKEk_XyXfEEacFBHXO18HFMG1Im-weRm7tb64uGzBsRK3vWPXuiFN2zaWaNznb7eSDIJucKOhlXtwb6Lq-BYR6oxisKzHsWTxF5AsiLmtcNGDNtwCsXzgIuSp2vW4pa6pAda-tTriG23zKX1ZuknQ81HGh411pqRkM?purpose=inline) ## New Zealand First Cost-of-living pressures, infrastructure and economic intervention NZ First places emphasis on lowering the cost of food, power and fuel, protecting workers and older people, and investing in infrastructure. Its approach includes a greater willingness than some market-oriented parties to intervene in how key sectors operate. Its published 2026 statements emphasise economic recovery and household affordability. ["Power to the People" - Winston Peters](https://www.nzfirst.nz/power_to_the_people_sotn_2026)[Winston Peters - “The Labour, Green, Māori, Opportunity](https://www.nzfirst.nz/winston_peters_the_labour_green_maori_opportunity_antipodean_animal_farm)[Election 2026: Where do the parties stand on tax?](https://www.charteredaccountantsanz.com/member-services/technical/tax/tax-in-focus/election-2026-where-do-the-parties-stand-on-tax) How it could lift living standards: reduce essential costs, improve infrastructure and support domestic industries and households. What to test: the detailed funding and implementation of each proposal, whether intervention increases competition or creates new costs, and the long-run returns from infrastructure spending. [NZ First's official website](https://www.nzfirst.nz/?utm_source=chatgpt.com) These are differences in emphasis, not mutually exclusive economic theories. For example, parties can all support higher productivity while disagreeing about whether the main obstacle is excessive regulation, underinvestment, weak competition, inadequate skills or unequal access to resources. Other parties, including Te Pāti Māori and The Opportunity Party (TOP), also have proposals on taxation, incomes, housing and public investment. Their policies should be assessed against the same evidence standards rather than assuming that the five parties above represent every available approach. [Policies for Party vote - NZ Election 2026](https://policy.nz/2026/party-vote/policies/economy)[Cost of Living Policy: Where NZ Parties Stand in 2026](https://whichparty.nz/topics/cost-of-living) ## 2. What does economic growth actually mean? A useful way to assess each party is to distinguish three measures. Real GDP growth Is New Zealand producing more goods and services after accounting for inflation? This measures the size of the economy. But if population grows quickly, total GDP can rise without the average person becoming better off. Real GDP per person Is output growing faster than the population? This is a better starting point for comparing average material prosperity, although it does not reveal who receives the income or how much households pay for housing and other necessities. Real disposable income and wellbeing Are people better off after taxes, transfers and price changes? Look at household purchasing power, employment, housing costs, health, educational outcomes and poverty—not just GDP. A further distinction matters for New Zealand: growth driven by more workers or longer hours is different from growth driven by productivity, meaning more output from each hour worked. Productivity improvements can support higher wages and living standards without requiring the same increase in working hours. The Treasury's October 2026 Pre-election Economic and Fiscal Update describes a recovery that has been delayed by higher oil prices and inflation pressures. It expects a gradual improvement in real wages as the recovery strengthens, while noting that household spending and residential investment have remained subdued. These are forecasts, not guaranteed outcomes. [Pre-election Economic and Fiscal Update 2026](https://www.treasury.govt.nz/publications/efu/pre-election-economic-and-fiscal-update-2026)[Treasury Secretary's Presentation: Pre-election Economic and Fiscal Update 2026](https://www.treasury.govt.nz/publications/speech/treasury-secretarys-presentation-pre-election-economic-and-fiscal-update-2026) ## 3. What evidence would help assess their claims? The strongest test is to turn each campaign promise into a measurable prediction, then compare it with independent forecasts and actual results. | Claim a party might make | Evidence to check | Why it matters | | --- | --- | --- | | “Our policies will grow the economy.” | Treasury forecasts; real GDP per capita; productivity per hour | Distinguishes genuine gains in output per person from population growth or inflation. | | “We will lift wages.” | Inflation-adjusted wages, median household disposable income and employment | Nominal pay rises are not an improvement if prices rise faster. | | “We will lower the cost of living.” | Household expenditure data, rent, power, food, transport and healthcare costs | Shows whether essential expenses become more affordable relative to income. | | “Our tax changes will help households.” | Tax-benefit modelling by income and household type | Reveals who gains, who pays and whether the overall effect is progressive or regressive. | | “We will create jobs.” | Employment, unemployment, hours worked, vacancies and underemployment | Distinguishes secure, productive work from a simple increase in job numbers. | | “We will invest without worsening the books.” | Full fiscal costings, revenue assumptions, debt forecasts and sensitivity analysis | Tests whether the commitments are affordable under less favourable economic conditions. | | “Our reforms will improve productivity.” | Business investment, capital per worker, research and development, skills and output per hour | Tests whether the proposed mechanism is actually improving productive capacity. | For New Zealand, these sources are especially useful: ![Treasury Building in Wellington](https://images.openai.com/static-rsc-4/tpV82dsnXhMcBft4qD7p-hvV1eTjyOrcz0yFmryZD9e6r__a6XjkXTCVCUjoE2rIUFt8MmrYEmtulk1zhb3XVa403zkeKQZ9MuzenVVkcXSj_CJW7-ygetCEj3CWvvd8xgO5wPJmADVvJl0udhpoE-190B-a_7KqcVlwWRiFTN-W72i4R5532YJlZ06YUUWH?purpose=inline) [The Treasury — Pre-election Economic and Fiscal Update 2026](https://www.treasury.govt.nz/publications/efu/pre-election-economic-and-fiscal-update-2026?utm_source=chatgpt.com) Best for: economic forecasts, fiscal projections, government debt, revenue, spending and the assumptions underlying the economic outlook. ![www3.stats.govt.nz - /environmental_reporting/2025_landcover/Indigenous_landcover_over_time/](https://images.openai.com/static-rsc-4/dwokw21TLC-7aVg_p2EQSiKfX_YS9hC3UxZ1I39dj962qElhsVaT214Zui-4Up3G8GKm5X_waIAZVhqmSX1qvzb8LHA2W_FZ-xqHzUlZl_zEwUOEHb-dhgTdDUvLgGZaT-a2ogFJQTtzGTmM54ZfxpqcXqH3j2PV9KG61jiAYtE?purpose=inline) [Stats NZ](https://www.stats.govt.nz/?utm_source=chatgpt.com) Best for: GDP, inflation, household incomes, labour-market outcomes, population and household living costs. Use the underlying data rather than campaign summaries. ![RBNZ to End Quantitative Easing in Possible Prelude to Rate Hike - Bloomberg](https://images.openai.com/static-rsc-4/GGJW79ODP4yD60_RBRhL5ymWxlglCH59Y0p9itbT2rNo2CKI-hG_cWa5YlITXhoWmEJ0ovXeA9btjfxTgIBc3mzM7wIkG-nxn6xoSTeqYl3UxSWyKn-ehm5Ei6Y1R8uPMKAR4CFR5RAF3TEbI2wx08_BGTNIW4HEN_GKdRiGK7k?purpose=inline) [Reserve Bank of New Zealand](https://www.rbnz.govt.nz/?utm_source=chatgpt.com) Best for: inflation expectations, interest rates, monetary policy and financial conditions that affect mortgages, investment and household spending. ![Huge news: The best voting tool in NZ is back | The Spinoff](https://images.openai.com/static-rsc-4/8WevK9XsNYKm7jfIL0fywOheefo3EsSLtnUEvFL0EOx0UqPecW3K6bRniyqPr9z3Z90xZGEwOlaRhnIeIaD0QjYYXT0LwKkTDZdd6b0rwe91MdY50PuD3V6T59Xp5GNPWRDo7hkMg3c1WvNl0QhOx2Fw24z0QQ9mUpHj85s8aNQ?purpose=inline) [Policy.nz — 2026 economic policy comparison](https://policy.nz/2026/party-vote/policies/economy?utm_source=chatgpt.com) Best for: comparing published party commitments on economic policy in one place. Verify important claims against the parties' full policies and independent evidence. ![Team Members of North Coast Accounting](https://images.openai.com/static-rsc-4/0Z56w7UBvVWdi9Ew-XQW5IR2amLd_VGebA2MLbYbsfgWLziG-Ezz3J-x7Jhtm0SqPbFYf5fbDCPB2gOmGyij27qvbFjXqXNsir6vAG7qDMJHqK55bLl7jQSYU0tMMB1uWEa1OzV16heHnG2GghWwwLddzKAWhexpD0rl_VFTgxg?purpose=inline) [CA ANZ — Where do the parties stand on tax?](https://www.charteredaccountantsanz.com/member-services/technical/tax/tax-in-focus/election-2026-where-do-the-parties-stand-on-tax?utm_source=chatgpt.com) Best for: comparing tax proposals, fiscal strategies and the trade-offs identified in the parties' 2026 tax-policy debate. ## 4. Five questions that expose the difference between a promise and a credible plan When reading any party's policy, ask: 1. What is the mechanism? If a party promises higher productivity, does it identify how investment, competition, technology, skills or infrastructure will improve? 2. What is the counterfactual? Would the economy have recovered anyway because of lower interest rates, stronger export demand or changes in global prices? 3. Who benefits? Does the policy raise median living standards, or mainly improve outcomes for particular income groups, industries or asset owners? 4. Who pays, and when? Are the costs fully specified? Do tax changes, spending reductions or borrowing offset the benefits? Will the gains arrive in the next three years or much later? 5. What would prove the claim wrong? A credible policy should have measurable targets and allow voters to check whether it delivered. That second question is particularly important. The Treasury identifies external demand, export performance, oil prices, inflation and interest rates as influences on New Zealand's economic outlook. A government should not automatically receive credit for favourable international conditions, nor should every downturn automatically be attributed to its policies. [Pre-election Economic and Fiscal Update 2026](https://www.treasury.govt.nz/publications/efu/pre-election-economic-and-fiscal-update-2026)[Treasury Secretary's Presentation: Pre-election Economic and Fiscal Update 2026](https://www.treasury.govt.nz/publications/speech/treasury-secretarys-presentation-pre-election-economic-and-fiscal-update-2026) ## 5. A practical scorecard for your own assessment You can use this checklist to evaluate each party on the same basis, without relying on slogans or selecting a party in advance. ## Evidence checklist 0 of 6 reviewed Productivity and real GDP per personSpecific measures, plausible mechanisms and measurable targets. Real wages and household incomesExpected changes after inflation, taxes and transfers. Housing and essential costsEffects on rent, housing supply, food, power and transport. Employment and opportunityJob quality, training, participation and access to work. Public services and distributionEffects on health, education, poverty and different household groups. Fiscal credibilityCostings, independent scrutiny, debt path and downside risks. Copy checklist ## Bottom line The 2026 election debate involves different ideas about the source of New Zealand's prosperity: private investment and lower regulatory costs; public investment and workforce development; redistribution and affordable services; or more active intervention in essential markets. Those approaches should be judged on both how much additional prosperity they create and how broadly that prosperity is shared. Tax cuts, new public services, infrastructure projects and regulatory reforms can all have benefits, but each also has costs, risks and implementation challenges. The most revealing comparison is therefore not which party makes the largest promise. It is which policies have a clear causal explanation, transparent funding, realistic assumptions and outcomes that can be independently measured against real incomes, productivity, employment and the cost of living. ## Gemini Answer ID: 679c3821-a748-48a9-ac38-6b1dd6b6bf75 For the 2026 New Zealand general election, political parties diverge significantly on how to drive economic growth and improve living standards. Their strategies reflect different philosophical approaches to productivity, taxation, market regulation, and government spending. --- ### ## Party Approaches to Economic Growth and Living Standards #### 1. National and ACT (Centre-Right / Right) * **Economic Growth Strategy:** Focuses on microeconomic reform, reducing compliance costs for business, boosting private sector investment, and maintaining tight fiscal discipline. National emphasises "fixing the basics" and returning the government budget to surplus through spending restraint rather than introducing new taxes. ACT champions supply-side incentives, such as deductions for digital and software investments, streamlining regulatory approvals, and cutting red tape. * **Living Standards Impact:** Argues that low taxes, reduced government waste, and business confidence are the most sustainable ways to lift real wages and household purchasing power over the medium term. #### 2. Labour (Centre-Left) * **Economic Growth Strategy:** Focuses on targeted investment in infrastructure, skills, and regional development alongside structural tax changes. Key policies include introducing a 28% capital gains tax on commercial and residential investment property (excluding the family home and farms), with revenue ring-fenced for public health, as well as expanding programs like Apprenticeship Boost. * **Living Standards Impact:** Emphasizes direct cost-of-living relief and public service access, proposing measures such as free GP visits and prescriptions, alongside progressive labor market settings intended to strengthen collective bargaining and protect workers' pay. #### 3. The Green Party and Te Pāti Māori (Left / Progressive) * **Economic Growth Strategy:** Advocates for a transition toward a green, regulated economy with a heavier tax burden on capital and wealth to fund public investment. Proposals include wealth taxes on net assets above specific thresholds (e.g., 2.5% on assets over $10 million for the Greens), higher corporate tax rates for large enterprises, and aggressive interventions in concentrated markets (such as grocery and energy sectors). * **Living Standards Impact:** Prioritizes reducing systemic inequality, lifting minimum wages to match living wage definitions, and expanding state-backed housing and social infrastructure to directly support lower-income households. #### 4. New Zealand First (Populist / Nationalist) * **Economic Growth Strategy:** Emphasises regional economic development, support for small and medium-sized enterprises (SMEs)—such as targeted company tax reductions—and national self-reliance in energy and manufacturing (e.g., establishing a Special Economic Zone at Marsden Point). * **Living Standards Impact:** Connects living standards closely to population pressures, advocating for tighter immigration caps linked to infrastructure capacity alongside cost-of-living and pension protections for seniors. --- ### ## Evidence Needed to Assess Party Claims To rigorously test and evaluate the competing claims made by political parties, voters and analysts typically rely on several forms of empirical evidence: * **Treasury and Independent Fiscal Costings:** Assessing whether party manifestos balance revenue and expenditure without generating structural deficits that risk inflating the cost of living or crowding out private investment. * **Productivity and Investment Data:** Tracking metrics such as Gross Domestic Product (GDP) per capita, business investment as a share of GDP, and Total Factor Productivity (TFP) to see whether supply-side tax incentives or state-led funds successfully shift New Zealand's long-term productivity trajectory. * **Tax Incidence and Distributional Analysis:** Using economic modelling (such as data from the New Zealand Treasury or independent economic institutes) to evaluate who ultimately bears the cost of proposed tax changes (e.g., capital gains or wealth taxes) versus spending cuts, and how they redistribute income. * **Cost-of-Living Indicators:** Monitoring consumer price index (CPI) components—specifically housing, food, and utility prices—alongside real wage growth to determine whether policy interventions genuinely improve household purchasing power. ## Google AI Mode Answer ID: 554dc018-e526-4fd7-9e8b-ad65c4592c5e For the 2026 New Zealand general election, political parties diverge significantly in their approaches to balancing economic growth, fiscal management, and living standards. * * * How Parties Differ on Economic Growth and Living Standards 1\. National Party * **Stated Approach:** According to National Party Policy and commentary from finance spokespeople, National emphasizes fiscal discipline, bringing inflation down, and avoiding new taxes to stabilize the economy. Their growth strategy relies on streamlining commercial building consents, investing in critical infrastructure and roading, boosting export targets, and supporting business competitiveness. * **Living Standards View:** National contends that high living standards are best achieved by controlling the cost of living, reducing government debt, lowering regulatory hurdles for housing and business, and rewarding work rather than increasing tax burdens on households. 2\. Labour Party * **Stated Approach:** According to Labour's 2026 Election Policies, Labour proposes targeted market interventions and revenue-raising via a 28% capital gains tax on commercial and residential investment properties (excluding the family home and farms). Their economic strategy includes a Small Business Action Plan, a focus on an AI Action Plan/workforce transition, and increased funding for public services, health care, and pay equity. * **Living Standards View:** Labour argues that living standards improve through direct state support for families and workers (such as free or low-cost primary healthcare initiatives, capped public transport costs, and fair pay agreements) financed by taxing capital gains and higher-income brackets rather than relying solely on austerity. [NZ Labour Party] 3\. Green Party of Aotearoa New Zealand * **Stated Approach:** According to the Green Party Manifesto, the Greens center their economic platform on redistributive taxation—proposing wealth taxes on high-net-worth individuals and mega-corporations while cutting income tax for lower-earning brackets. Their growth model focuses heavily on a transition to a zero-carbon, circular economy, public infrastructure, and sustainable land use. * **Living Standards View:** The Greens frame living standards around guaranteed liveable incomes, robust welfare safety nets, accessible public services, and climate resilience, asserting that economic activity must directly serve ecological and social equity goals. [Green Party of Aotearoa New Zealand] 4\. ACT Party (and other smaller entities) * **Stated Approach:** ACT advocates for deeper government spending cuts, flattening or reducing income tax rates, and sweeping regulatory reform to spur private-sector productivity and foreign investment. * **Living Standards View:** ACT posits that state intervention and heavy regulation stifle the productivity growth needed to sustainably raise wages, arguing that smaller government and open markets create the most resilient foundation for household prosperity. * * * Evidence to Help Assess Party Claims Voters and analysts can evaluate these competing economic platforms by examining several categories of empirical evidence: 1. **Independent Fiscal and Economic Modeling:** * Assessments from the Treasury, the Reserve Bank of New Zealand (RBNZ), and independent economic institutes (such as the New Zealand Institute of Economic Research or BERL) regarding whether party tax-and-spend plans are inflationary or fiscally sustainable. 2. **Productivity and Investment Data:** * Metrics tracking business investment, R&D expenditure, and commercial consents to see whether deregulation or capital taxation changes alter capital allocation and long-term productivity growth. 3. **Distributional and Cost-of-Living Impacts:** * Treasury or tax-working-group style impact analyses measuring how specific proposals (like capital gains taxes, wealth taxes, or income tax adjustments) shift disposable incomes across different deciles of New Zealand households. 4. **Public Service Delivery and Infrastructure Metrics:** * Performance indicators in health, education, and transport delivery to test whether increased funding models or streamlined consent/procurement processes yield tangible improvements in public well-being.