The authors elucidate the commonalities and differences across countries in areas including (much of the detail new to the second edition): The information and analysis pull together valuable material which is scattered over a disparate literature, much of it not available in English. Especially considering the dynamic nature of tax law, whose rate of change exceeds that of any other field of law, the authors’ clear identification of the underlying patterns and fundamental structures that all tax systems have in common—as well as where the differences lie—guides the reader and offers resources for further research.