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The Africa Infrastructure Country Diagnostic (AICD) has produced continent-wide analysis of many aspects of Africa's infrastructure challenge. The main findings were synthesized in a flagship report titled Africa's Infrastructure: a time for transformation, published in November 2009. Meant for policy makers, that report necessarily focused on the high-level conclusions. It attracted widespread media coverage feeding directly into discussions at the 2009 African Union Commission Heads of State Summit on Infrastructure. Although the flagship report served a valuable role in highlighting the main findings of the project, it could not do full justice to the richness of the data collected and technical analysis undertaken. There was clearly a need to make this more detailed material available to a wider audience of infrastructure practitioners. Hence the idea of producing four technical monographs, such as this one, to provide detailed results on each of the major infrastructure sectors, information and communication technologies (ICT), power, transport, and water, as companions to the flagship report. These technical volumes are intended as reference books on each of the infrastructure sectors. They cover all aspects of the AICD project relevant to each sector, including sector performance, gaps in financing and efficiency, and estimates of the need for additional spending on investment, operations, and maintenance. Each volume also comes with a detailed data appendix, providing easy access to all the relevant infrastructure indicators at the country level, which is a resource in and of itself.

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.

A key obstacle to fundamental tariff reform in many developing countries is the revenue loss that it ultimately implies. This paper establishes a simple and practicable strategy for realizing the efficiency gains from tariff reform without reducing public revenues, showing that for a small open economy, a cut in tariffs combined with a point-for-point increase in domestic consumption taxes increases both welfare and public revenues. Increasingly stringent conditions are required, however, to ensure unambiguously beneficial outcomes from this reform strategy when allowance is made for such important features as nontradeable goods, intermediate inputs, and imperfect competition.

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 Kyrgyz Republic has made major strides in the past decade in its transition to a market-based economy. Its trade and investment policies are arguably the most liberal among the member countries of the Commonwealth of Independent States. Despite the generally progressive stance on structural policies and a sound record of macroeconomic management in recent years, economic growth has been modest, living standards are low, a large burden of external debt has accumulated, and integration into global production and trade remains limited. The growth agenda must address more carefully the constraints to greater supply-side response to ongoing reforms—an agenda that can facilitate a broad-based growth of economic activity and exports. Risks to sustainability of current growth rates and continued poverty reduction will otherwise remain high as will the economy’s vulnerability to external shocks. This report is aimed at assisting authorities fashioning this agenda by focusing on three key challenges:Identifying strategic options to strengthen prospects for medium- and long-term growth and poverty reduction; Assessing ways of leveraging domestic trade policy reforms and existing regional and multilateral trade agreements for further regional and global integration; and Identifying key areas where greater efforts are necessary to facilitate improvements in enterprise capability and productivity.

New horizons are opening for Africa, with a growing number of Chinese andIndian businesses fostering its integration into advanced markets. However,significant imbalances will have to be addressed on both sides of the equation to support long-term growth.

After decades of supporting free trade, in 2018 theUnited States raised import tariffs and major trade partners retaliated. We analyze the short-run impact of this return to protectionism on the U.S. economy. Import and retaliatory tariffs caused large declines in imports and exports. Prices of imports targeted by tariffs did not fall, implying complete pass-through of tariffs to duty-inclusive prices. The resulting losses to U.S. consumers and firms that buy imports was $51 billion, or 0.27% of GDP. We embed the estimated trade elasticities in a general-equilibrium model of the U.S. economy. After accounting for tariff revenue and gains to domestic producers, the aggregate real income loss was $7.2 billion, or 0.04% of GDP. Import tariffs favored sectors concentrated in politically competitive counties, and the model implies that tradeable-sector workers in heavily Republican counties were the most negatively affected due to the retaliatory tariffs.

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.

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.