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The research paper employs a lab experiment with 195 subjects to compare public support for taxes and subsidies designed to correct a negative externality. The study finds that subsidies consistently receive higher support than taxes, a gap that is widened when participants have only partial information about how tax revenues are spent or subsidies are funded. While full budgetary information increases support for both instruments, it disproportionately benefits taxes. Interestingly, participants expected taxes to be more effective at reducing the externality than subsidies, despite preferring the latter. The authors conclude that the lack of trust or clarity regarding the use of tax revenues is a primary driver of tax aversion.

The document describes a report by the International Institute for Sustainable Development that quantifies financial support for ethanol and biodiesel across European Union Member States since 2007. It argues that documenting the full extent of these subsidies is essential for an informed public debate regarding the cost-effectiveness and impacts of biofuel policies.

The study finds that energy efficiency labels (specifically class A+) add a price premium of 15.6% to dishwashers in the Spanish market, amounting to approximately €80 based on an average price of €514. Using a Quantity Based Demand System (QBDS), the authors determine that demand for labelled appliances is significantly more elastic than for non-labelled ones, with own-price elasticity for labelled goods ranging from -1.2 to -13.2. The research suggests that while Spanish subsidy programmes (paying €50 to €90) may have slightly overestimated the necessary premium, they have been highly successful, as nearly all dishwashers currently sold in the market are labelled A or A+.

The document compares different policy instruments for increasing energy efficiency in appliances across several EU member states, finding that while subsidies often lead to greater CO2 reductions, energy taxes generally provide higher welfare gains and lower administrative costs. The effectiveness of these policies varies significantly by product type and country, with tax credits for boilers proving highly cost-effective in Italy and Denmark, and the ban of inefficient washing machines being preferable to manufacturer tax credits in Italy and Poland, despite high overall welfare costs.

The report analyzes the widespread use of investment incentives globally, arguing that while they are intended to drive economic growth, they often lead to inefficient capital allocation, increased income inequality, and potential environmental harm. It examines the 'Prisoners' Dilemma' of bidding wars between jurisdictions and evaluates various disciplinary frameworks, such as the European Union's state aid rules and WTO agreements, noting that independent monitoring is key to effective control.

The document identifies several trade policy levers to address climate change, including the liberalization of trade in low-emission goods, the reinstatement of subsidies for greenhouse gas (GHG) reduction, the removal of domestic barriers to clean energy investment, the relaxation of intellectual property rights for green technologies, and the reduction of fossil fuel subsidies. It emphasizes that trade policy must be part of a broader suite of complementary fiscal and regulatory measures and suggests that while the WTO is the primary venue for multilateral action, plurilateral or regional agreements may serve as alternatives.

The paper argues that while GATS does not explicitly mandate privatization, its market access and national treatment obligations can indirectly encourage it and limit a government's capacity to implement universal service obligations (USOs) and subsidies. By analyzing environmental services commitments from the US, Estonia, the EC, and Nordic/Swiss countries, the authors demonstrate how specific 'carve-outs' and conditions in schedules can preserve regulatory flexibility. The document highlights the particular risk to developing countries, where privatization is often driven by international financial institutions, potentially locking them into GATS commitments that hinder the fulfillment of the human right to water.

The document analyzes the legal tensions between GATS trade liberalization and the regulation of water services, which are often natural monopolies. It examines how different WTO Members use 'specific commitments' to carve out public utilities and preserve the ability to impose universal service obligations and subsidies. The authors argue that the ambiguity of GATS terms and the political pressure on developing countries may lead to a loss of regulatory autonomy over essential water services.

The document reviews the status of 'implementation issues' following the Doha Ministerial Declaration, noting a fundamental disagreement over whether these issues are subject to negotiation or mere discussion. It details a pattern of missed deadlines and a lack of consensus across several key areas, including textiles, anti-dumping measures, and subsidies, where developing countries seek to rectify perceived imbalances from the Uruguay Round without making further trade-offs.

The document argues that international environmental management is a complex system of regimes that should be strengthened through institutional improvement rather than a centralized 'World Environment Organization'. It proposes clustering MEAs by problem structure—such as the conservation, global atmosphere, hazardous substances, marine pollution, and extractive resources complexes—and pooling resources for shared institutions like science assessment and implementation review. The author emphasizes that the trade regime's hierarchical structure is ill-suited for environmental issues, which require subsidiarity and diversified governance. Key recommendations include creating a Standing Conference on Trade and Environment, reforming the United Nations Environment Programme (UNEP), and addressing the 'Achilles heel' of technology transfer through better integration of intellectual property rights and sustainable investment.

The Center for International Environmental Law (CIEL) asserts that trade liberalization in forest products, specifically through WTO tariff reductions and APEC non-tariff measure reviews, can intensify forest loss, degradation, and the introduction of alien species. CIEL argues that current international and national forest protection frameworks are inadequate to ensure sustainable trade. The document criticizes the USTR/CEQ review process as inadequate in duration and scope, urging the U.S. government to adopt formal environmental assessment procedures based on the National Environmental Policy Act (NEPA) and to promote forest protection measures in tandem with trade liberalization.

Ember updates its estimate for the subsidies needed to deploy carbon capture at Drax, increasing the average cost per BECCS unit to £591 million in 2023 prices. The methodology utilizes a dual-Contract for Difference (CfD) model covering both electricity (CfDe) and carbon (CfDc), incorporating UK Government projected wholesale electricity prices and carbon market values. The analysis assumes a phased deployment of four units between 2030 and 2045, noting that costs remain uncertain due to a lack of commercial-scale power-BECCS projects.