In addition, the administrative difficulties of instituting a comprehensive wealth tax are formidable, raising questions about fairness. For example, it would be extremely difficult to place market values on the family-owned businesses that pervade Mediterranean countries.
此外，制定全面财富税的行政难处极大，会造成关于公平的质疑。比如，用市场价值衡量家族企业（在地中海国家颇为常见）是非常困难的。