This paper provides an overview of the key economic factors that shape tax policy reform in many high-income countries, developing countries, and/or transition economies. The paper describes and evaluates global and regional developments with respect to tax rates and revenue ratios over the last...

This paper examines the relative merits of two dominant economic instruments for reducing pollution—”green” taxes and tradable permits. Theoretically, the two instruments share many similarities, and on balance, neither seems preferable to the other. In practice, however, most countries...

This paper recommends a system of upstream taxes on fossil fuels, combined with refunds for downstream emissions capture, to reduce carbon and local pollution emissions. Motor fuel taxes should also account for congestion and other externalities associated with vehicle use, at least until...

This study focused on environmental tax measures, and on allocation, pricing, and taxation of Iceland’s major hydropower and geothermal resources. Measures to secure the tax base for the corporate income tax (CIT) are proposed. Taxation of the financial sector can be improved by a number...

This paper assesses the distributional impact of the recent VAT reform in the Philippines and evaluates alternative methods to mitigate the effects of the reform on poor households. The reform was progressive and relatively well targeted. To alleviate the impact of the reform on the poor,...

This Selected Issues paper highlights the Philippine growth performance led by the services sector. Average GDP growth is higher in the post-Asian crisis period in the Philippines, while the majority of the Philippines’s regional peers have experienced substantially lower growth in the...

Assuming a social welfare function that smoothes expenditure, this paper calculates a sustainability benchmark for the non-mineral balance in Botswana that is based on a notion of a "permanent income" from non-renewable resources. It is derived by constructing a hypothetical annuity from...

This paper examines the environmental effects of mineral taxes in a framework that recognizes the importance of rates and cumulative externalities and proposes an appropriate corrective tax. It concludes that mineral resources taxation should combine neutral taxes with a dynamic Pigovian type...

This paper provides an overview of diamond mining in sub-Saharan African countries, and explores the reasons for substantial differences in their tax rates and fiscal revenues from the sector, which mainly arise from differences in the incentives for smuggling. In a theoretical model, we show...

Mali’s gold sector is an enclave with weak forward and backward linkages with the rest of the economy. Given the predominance of the fiscal transmission channel, it is important that the design of the mineral tax regime gives the state a fair share of the benefits. Using optimal control...