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Purpose – The purpose of this chapter is to provide a comprehensive review of the literature on the importance of taxes as a determinant of FDI attraction.

Approach – The chapter presents the fundamental elements of the conceptual background that explain how and under which circumstances taxation may be a significant factor underlying FDI decisions. Then it proceeds with an extensive review of the qualitative and quantitative literature on the topic. Finally, it draws several relevant conclusions on the main patterns that can be extracted from the evolution of the literature on this field.

Findings – In this chapter we arrive at three major findings concerning the effect of taxes on FDI, and we uncover one interesting puzzle worthy of further research.

First, from the literature review it becomes clear that both FDI and taxes are concepts covering heterogeneous phenomena, and therefore to compare studies, results or to make judgments on the relationship between taxes and FDI, the working definitions of FDI and taxes that are being used needs to be clearly established and understood.

Second, based on the review of the qualitative literature, it becomes clear that while taxes are an important aspect of FDI decisions among managers, they are probably not the main driver of the decision. Moreover, taxes may only play a ‘marginal’ role compared with other determinants of FDI.

Third, looking carefully at the quantitative literature as a whole, there is not a straight answer that permits to unequivocally say that lower taxes increase FDI attraction.

Finally, a puzzle emerges from the tension between what policy makers believe and what the studies show. The review in this chapter puts in evidence that while policy makers believe lowering taxes increases the attractiveness of their territories vis-à-vis FDI, the facts show that taxes appear only to play a marginal role compared with other determinants of FDI. So, why do policy makers put so much faith on tax policies as an FDI attraction tool?

Value – The value of this chapter is threefold. It presents a very complete and up to date review of the literature concerning the impact of taxation on FDI decisions, it analyses the literature's apparently disparate results and groups them into three clear emerging conclusions, and uncovers an interesting public policy puzzle.