There are three approaches to deal with tax incentives within common markets: permit them, limit them, or harmonize them. Broadly speaking, the United States (U.S.) follows the first approach, the European Union (EU) adopts the second, and the Gulf Cooperation Council (GCC) pursues the third by...

This background paper describes five different tools that can be used for the assessment of tax incentives by governments in low income countries' (LICs). The first tool (an application of cost-benefit analysis) provides an overarching framework for assessment. Evaluations of the various costs...