This paper offers an historical, economic, constitutional, and contextual survey of the New Zealand tax system. The focus is on income tax, but the paper also briefly describes the “goods services tax”, the name given to the New Zealand value added tax. The focus is on domestic taxation, but...

This paper investigates the impact of tax simplification on various indicators of the efficiency of the tax system and on the distribution of income. The analysis is based on a simulation model (FiFoSiM) using German income tax and household survey microdata. We model tax simplification as the...

This paper explores the taxation of corporations in the wider context of capital income taxation. The pros and cons of various income-based and cash-flow forms of corporation tax (CT) are discussed. The paper concludes that the dual income tax (DIT), which taxes all capital income at the...

We develop and estimate a model of jointly optimal income taxes for different types of income. Compared to standard optimal tax formulas, optimal schedular income tax rates additionally depend on cross-elasticities between tax bases capturing fiscal externalities. We discuss two applications:...