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Publications (18)
Working Paper
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In a bid to realize its development aspirations, Tanzania has made concerted efforts to increase public investment, particularly in the last decade. A significant proportion of these investments are financed by contracting debt, manifested by the rapid accumulation of public debt, especially...
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– Application of a structural gravity model
By measuring the effects of forming and joining a regional integration bloc using an augmented structural gravity model, this paper finds that the East African Community (EAC) and EAC Customs Union have significantly enhanced Tanzanian trade into EAC markets. Kenya has continued to be the main...
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This paper explores the distributional impact of lowering the value-added tax rate for standard-rated items in Tanzania Mainland. Using a static tax-benefit microsimulation model—TAZMOD—which is underpinned by data derived from the Household Budget Survey 2017/18, reductions in value-added taxes...
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This paper examines the impact of the government input subsidy—the National Agriculture Input Voucher—on farmers’ production and welfare in Tanzania as well as the factors that influence agricultural production in the country. The analysis is based on the Living Standards Measurement Study...
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– The case of Tanzania
Rising public debt in sub-Saharan Africa remains a matter of concern. We provide an analysis of public debt and debt sustainability in Tanzania, focusing on external debt. Though current and previous analyses using the IMF-World Bank debt sustainability framework indicate low risk of public external...
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– A feasibility study
This working paper explores the feasibility of developing a tax and benefit microsimulation model in Zanzibar using the EUROMOD microsimulation software. We review Zanzibar’s tax and benefit arrangements and the potential household survey dataset that would underpin the model, and we conclude that...
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Qualitative case studies suggest that the outcomes of tax treaty negotiations are determined by power politics and negotiating capability. In contrast, quantitative studies have tended to depart from a model that implies absolute gains, full rationality, and perfect information on the part of both...
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– Re-estimation and country results
International corporate tax is an important source of government revenue, especially in lower-income countries. An important recent study of the scale of this problem was carried out by International Monetary Fund researchers Ernesto Crivelli, Ruud De Mooij, and Michael Keen. We first re-estimate...
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– The vulnerability of tax revenue in resource-rich countries
This paper explores the extent to which government revenue is affected by external shocks, and whether these effects are different for resource-rich as compared with non-resource-rich countries. We are particularly interested in the fate of poorer countries, as we assume they will find it more...
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– Structural changes and their policy implications
Changes in the tax structure and category of taxes clearly matter when it comes to initiating tax policies. This paper employs data from a sample of 33 transitional countries over the period 1991–2014. It finds that, in a particular transitional country, the higher the national income, the degree of...
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Liberalizing trade has proven highly challenging for some low-income countries, as a large share of their tax extraction derives from trade taxation. After significant drops in tariff levels over the last 30 years, the recovery of lost revenues by other sources of taxation has been highly uneven...
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In this paper we use the new Government Revenue Dataset to analyse fiscal decentralization. We find that developed countries are on average more decentralized than developing countries and that Asia, Europe and North America are among the most fiscally decentralized regions. In our econometric...
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The global framework for financing development, adopted in 2015, places great emphasis on mobilizing domestic resources to finance the Sustainable Development Goals, which include universal healthcare. In a recent paper Reeves et al. (2015) attribute progress towards universal healthcare to higher...
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How does conflict affect tax revenue mobilization? This paper uses a newly updated dataset to explore longitudinal trends of tax revenue mobilization prior to, during, and after conflict periods in a selection of conflict-affected states since 1980. This medium-N trend analysis is complemented by...
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– The role of historical factors
This paper investigates the sources of variability in the mobilization of domestic tax revenue in oil-producing countries. It argues that the type of natural resources exploited during colonial rule can affect the contemporary levels of domestic tax revenue in oil countries. We test this conjecture...
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Building on the literature of the political economy of taxation, this article explores the relationship between political competition and tax revenues using a sample of 89 developing countries from 1988 to 2010. Owing to the inertia of tax variables, we estimate a dynamic panel data model using the...
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