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...

We study (energy) markets with dirty incumbents and costly entry by clean producers. For intermediate entry costs, the market outcome exhibits inefficient production and inefficient entry. A policy mix of three popular regulatory instruments—taxation on polluters, feed-in tariffs for clean...