Comparison of progressive income tax regimes.

Wealth development in different quantiles of the population of 1,000 agents. Progressive income tax regime, with tax rate of between 15% and 60%, linearly growing in the income interval from $150 to $1,200 (left) and between 15% and 75%, linearly growing in the income interval from $150 to $1,550 (right). Initial distribution was equal among all 1,000 agents. Quantiles shown: Bottom half of the population vs top 10% and top 1% wealthiest agents.