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This paper examines the theory underpinning the design of optimal tariffs in a developing economy, and the experience of implementation of tariff reforms. A central issue is whether and when a case can be made for a uniform tariff structure. While theory advocates a differentiated tariff structure (except under a balance of payments objective), political economy considerations, inadequate information, and administrative convenience point to a minimally differentiated tariff structure. The experience of reform indicates that tariff structures are mainly influenced by income distribution and protection objectives. The ability to successfully reduce tariffs depends on measures taken to alleviate fiscal and balance of payments constraints.

The paper contributes to the discussion about the revenue implications of trade reform by assessing the approximate fiscal revenue impact of different liberalization formulae under consideration in multilateral trade negotiations for a group of low- and middle-income countries. The study applies a linear optimization framework to data for bound tariffs, applied tariffs, and imports at the HS-6 digit level for 58 developing countries, and simulates results for different sets of import demand elasticities and developing country \"flexibilities.\" While only a small number of countries face a significant impact, results point toward the need for complementary fiscal measures in the countries most affected by revenue loss.

This paper reviews the extent to which the Fund's trade policy advice to the Baltic countries, Russia and other countries of the Former Soviet Union has been implemented. It broadly traces the evolution of trade policies, emphasizing the period from mid-1993 through end-1995, attempting to identify some of the factors affecting uneven progress in trade reform. Based on insights from the public choice literature on endogenous policy theory, the paper makes recommendations for refining Fund advice with a view to facilitating future progress on the trade-policy front.

Ukraine's Trade Policy identifies the key drivers of Ukraine's recent trade performance, assesses current trade policies, and proposes recommendations to strengthen the Ukraine’s trade integration strategy. It also identifies core bottlenecks in the ongoing integration processes, including global and regional integration. The study concludes that the main obstacles to furthering Ukraine’s trade integration are domestic, and relate to deficiencies in the business environment. Problems in customs administration, standardization, and administrative barriers for new entry require immediate attention. The report highlights specific policy issues that hamper WTO accession, such as trade legislation, protection of intellectual property rights, government support for specific industries, and export restrictions. It also recommends improvements in the structure of Ukraine’s import tariffs, reform of both the regime of free economic zones and mechanism of VAT refund, and investment in a major upgrade of government capacity for investment and export promotion. The report also draws attention to the importance of the post-WTO accession agenda for Ukraine. To take advantage of WTO membership, the Government will need to undertake significant institutional reforms to implement WTO regulatory rules in ways that facilitate integration into the world economy and provide benefits to private sector participants.

The reintegration into the world economy has been an integral part of Lithuania's transformation process. Trade policy reform has been assigned a key role, aiming at opening up the economy and redirecting foreign trade. This paper (i) analyzes the trade shock following the dissolution of the former Soviet Union; (ii) studies the political economy of trade reforms; (iii) evaluates Lithuania's attempts to gain greater access to Western markets, in particular the European Union; and (iv) reviews the empirical evidence on redirecting foreign trade.

This paper explores the role of trade instruments in globally efficient climate policies, focusing on the central issue of whether some form of border tax adjustment (BTA) is warranted when carbon prices differ internationally. It shows that tariff policy has a role in easing cross-country distributional concerns that can make non-uniform carbon pricing efficient and, more particularly, that Pareto-efficiency requires a form of BTA when carbon taxes in some countries are constrained, a special case being identified in which this has the simple structure envisaged in practical policy discusions. It also stresses-a point that has been overlooked in the policy debate-that the efficiency case for BTA depends critically on whether climate policies are pursued by carbon taxation or by cap-and-trade.

Emission-intensive and trade-exposed sectors, such as steel, are especially challenged by emissions leakage and loss of competitiveness with the implementation of climate policies. A carbon border adjustment mechanism (CBAM) is one of the principal policies suggested to minimize these impacts. This study examines the implications of CBAM for the global iron and steel industry using a modified version of the Global change analysis model (GCAM). We introduce an expanded steel sector representation and a differentiated trade market to assess the impacts of CBAM implementation across OECD and non-OECD regions under deep decarbonization scenarios. Additionally, we explore the role of free emissions allowances, export rebates, and green subsidies in modifying CBAM outcomes. Our findings indicate that CBAM can reduce emissions leakage and incentivize the adoption of low-carbon steel technologies but may disadvantage exporters in regions implementing CBAM, leading to a net-loss of production in CBAM regions. This study contributes to the literature by modelling CBAM in an integrated assessment framework and providing insights for policymakers balancing climate action and economic competitiveness.

This paper uses a computable general equilibrium model of the economy of Trinidad and Tobago to assess the effects of trade liberalization and terms-of-trade shocks on the real exchange rate and the overall fiscal position of the government. The model is also used to evaluate the implications of alternative tax policies designed to offset the increase in the budget deficit of the central government that results from both types of external sector shocks.