Despite positive but mixed progress over two decades, most lower income African countries need to enhance their low tax-to-GDP ratios by mobilizing domestic resources to complement debt relief, donor aid and to achieve the MDG and poverty reduction objectives. With these goals in mind, most...

In the context of the current tax policy debate in the United States, this paper reviews and discusses some of the main recurrent themes, as well as some of the most important tax reform proposals put forward over the past two decades. It finds that although there seems to be widespread...

One area that has not been reviewed in developing countries is the growing focus on different segments of the taxpayer population-including the large taxpayers-as a way to encourage greater stability in public revenue flows, improve the effectiveness and efficiency of tax administration, and...

The paper discusses the improvements which a semi-autonomous revenue agency (SARA) must make to its records to meet fiscal and financial accounting obligations. SARAs are legal entities, such as a service or a department, which are required to prepare accrual records that may diverge from a...

We present a simple model of petroleum exploration and development that can be applied to study the performance of alternative tax systems and identify potential distortions. Although the model is a highly simplified, it incorporates many factors and some of the key tradeoffs that would...

Modern tax administrations seek to optimize tax collections while minimizing administration costs and taxpayer compliance costs. Experience shows that voluntary compliance is best achieved through a system of self-assessment. Many tax administrations have introduced self-assessment principles in...