We estimate the long-run effect of a uniform carbon tax on energy consumption by using a new and unique dataset in which effective tax rates of OECD countries are calculated in terms of carbon dioxide emissions. The effective tax rates account for the widely discussed tax deductions for specific...

We show that, in competition between a developed country and a developing country over environmental standards and taxes, the developing country may have a "second-mover advantage." In our model, firms do not unanimously prefer lower environmental-standard levels. We introduce this feature to an...

To help first- or second-year graduate students in economics apply their theoretical training, this paper shows how to solve a simple and intuitive computable general equilibrium (CGE) model using a calculator. Because this simplified Harberger model uses Cobb Douglas functional forms for...

I study the optimal taxation of robots and labor income. In the model, robots substitute for routine labor and complement non-routine labor. I show that while it is optimal to distort robot adoption, robots may be either taxed or subsidized. The robot tax exploits general-equilibrium effects to...

The European Commission is evaluating the performance of the common VAT, which has many shortcomings. The numerous exemptions and differentiated rate structures violate the logic and functionality of the VAT. The exemptions distort input choices and outsourcing policies. Reduced rates are...

France has a track record of persistent general government deficits, partly reflecting pro-cyclical fiscal policies in upswings. This has resulted in a quadrupling of its public debt-to-GDP ratio since the 1970s to above 80% of GDP. Reducing public debt is crucial because a high level of public...

This paper deals with optimal income taxation under labor outsourcing and FDI. We show how the optimal income tax response to the joint effect of outsourcing and FDI depends on whether FDI is complementary with, or substitutable for, domestic labor. -- outsourcing ; foreign direct investment ;...

Most governments will have to raise additional resources to deal with the aftermath of the corona crisis. This paper argues that excise duties on drinking, smoking, gambling, sugar-sweetened beverages, plastics, fossil fuels, motoring, telecoms and platforms are the preferred instruments. In...

How can citizens be motivated to demand accountability in the management of public revenues? We carry out a video survey experiment among 2300 Ghanaian respondents to study the impact of information provision and encouragement messages by a politician and civil society leader on attitudes and...

How should pensions be taxed? In many cases pension savings are usually taxed more leniently than other forms of savings. What is the rationale for this? And are those concerns best targeted via taxation or mandatory pension savings? These issues are discussed with outset in the experience of...