How to convert between wealth and income tax
Paul Graham argues that a 1% wealth tax is mathematically equivalent to a 20% income tax, claiming politicians misunderstand the true burden of such proposals. This bold assertion ignited a fiery debate on Hacker News, where many commenters challenged his simplified math and critiqued his perceived disconnect from the realities of wealth accumulation and existing tax avoidance strategies among the ultra-rich.
The Lowdown
Paul Graham's article, "How to convert between wealth and income tax," proposes a direct mathematical conversion between these two tax types. He contends that a 1% wealth tax is equivalent to a 20% income tax, a point he believes politicians often overlook when discussing wealth taxation.
- Graham establishes this 20x conversion rate by assuming a 5% risk-free rate of return on capital. He illustrates this with an example where a 1% wealth tax yields the same after-tax capital as a 20% income tax on earnings from that capital.
- He criticizes politicians for speaking of a "mere 1%" wealth tax, suggesting they don't grasp its magnitude, as they would never propose an additional "mere 20%" income tax. He highlights that such an increase, combined with existing rates, could push US taxes to among the highest globally.
- Graham expresses optimism that this simple conversion can be taught, implying a fundamental lack of understanding among lawmakers regarding the financial impact of their proposals.
In essence, Graham's piece aims to reframe the discussion around wealth taxes, presenting them as significantly more impactful than their nominal percentage might suggest, particularly for those whose primary income source is capital gains.
The Gossip
Challenging the Conversion Calculus
Many commenters disputed Paul Graham's core mathematical conversion, arguing that a simple 1% wealth tax / 20% income tax equivalency is fundamentally flawed and oversimplified. They pointed out that it doesn't account for how most people earn income (labor vs. capital), the tax treatment of unrealized gains, or the risk-free rate assumption, suggesting the math only applies to a very specific, already wealthy demographic.
Unmasking Ultra-Wealthy Under-Taxation
A dominant theme was the assertion that wealthy individuals already avoid significant income tax through various legal strategies (e.g., "buy, borrow, die," loans against unrealized gains, stepped-up basis), making Graham's premise seem disingenuous or irrelevant. Commenters argued that a wealth tax is a necessary tool to address this current imbalance, where the rich often pay a lower effective tax rate than the middle class.
Tone-Deafness and Elite Disconnect
Many found Paul Graham's article to be tone-deaf, condescending, or self-serving. They criticized his perceived detachment from the financial realities of most people and his framing of wealth taxes as an attack on the wealthy rather than a response to systemic inequality, with some accusing him of revealing contempt for working people.
Practicalities and Alternative Tax Paths
While many supported the *idea* of taxing wealth, several commenters raised practical difficulties in implementing wealth taxes, such as the accurate valuation of illiquid assets, the risk of capital flight, and enforcement challenges. Alternatives like higher estate taxes, land value taxes (Georgism), or closing specific existing loopholes were proposed as potentially more effective or equitable solutions.