The excessive complexity and burden of the Brazilian tax system, riddled by cumulative indirect taxes and heavy payroll contributions, have led to an accumulation of fiscal incentives aimed at reducing its burden on taxpayers and productive activities. Federal and subnational tax expenditures...

The IMF has advised country authorities to roll back tax expenditures as a way to support fiscal consolidation efforts - urging them to evaluate tax expenditures according to clear criteria, and assessing their impact on public finances, economic efficiency, equity, and administrative and...

The IMF has advised country authorities to roll back tax expenditures as a way to support fiscal consolidation efforts — urging them to evaluate tax expenditures according to clear criteria, and assessing their impact on public finances, economic efficiency, equity, and administrative and...

This paper empirically estimates the effects of electric vehicles (EVs) on passenger car emissions to inform the design of policies that encourage EV purchases in Norway. We use exceptionally rich data on the universe of cars and households from Norway, which has a very high share of EVs, thanks...

This paper reviews trends in taxation and revenue in MENA countries over 1990-2012, with a focus on non-resource taxes. On average, non-resource revenues declined slightly, while resource revenues soared. Country experiences vary: rates of main taxes and their revenues tend to be higher in the...

We propose a tax-adjusted q model with physical and intangible assets and estimate it with a self-collected comprehensive database of intangible assets. The presence of intangibles changes the accounting and economic measures of q. We show that when tax changes are temporary, the q model can be...

This paper examines the impact of thin capitalization rules that limit the tax deductibility of interest on the capital structure of the foreign affiliates of US multinationals. We construct a new data set on thin capitalization rules in 54 countries for the period 1982-2004. Using confidential...

Cambodia, like its regional peers, offers a number of tax incentives to investors. This paper reviews these incentives to assess their costs and benefits, including their likely effectiveness in attracting capital and in supporting the diversification strategy. It finds that an important...

I investigate the aggregate effects of R&D tax credits in the US. Because it subsidizes R&D activity and because credit rates vary between states, this policy has both spatial and dynamic effects on the economy. To address this issue, I construct an endogenous growth model with spatial...

This paper evaluates elements of a comprehensive reform of the Italian tax system. Reform options are guided by the principles of reducing complexity, broadening the tax base, and lowering marginal tax rates, especially the tax burden on labor income. The revenue and distributional implications...