Countries that have most extensively implemented prescriptions to slash wealth, top personal and corporate income tax rates also experienced the most significant rise in top income shares since the early 1980s, without registering the promised higher economic growth (figure 4). Survey-based income inequality measures, such as Gini estimates in figure 3, often rely on data samples that truncate the top of the income distribution, because top incomes are under-represented in surveys or due to top-coding method shortcomings (Alvaredo 2010). Top income shares in figure 4 are estimated using non-truncated fiscal data, but under-reporting of income to tax authorities is common and tax evasion has grown rapidly over the last decade (Palan et al.