NYC Mayor Mamdani's plan to tax the rich is failing as the governor blocked it and high-earners leave. His backup plan, a property tax hike, directly impacts the middle and working classes he promised to protect, a common failure point of socialist policies.

Once a 'one-time' wealth tax is implemented to cover deficits, it removes pressure on politicians to manage finances responsibly. The tax becomes a recurring tool, and the definition of 'wealthy' inevitably expands as the original tax base leaves the jurisdiction.

Despite voter popularity, broad wealth taxes are historically ineffective. Most OECD countries have abandoned them due to low revenue, administrative complexity, and capital flight. A more practical approach is to focus on targeted reforms like closing the carried interest loophole and taxing capital gains as ordinary income.

Contrary to common belief, Arthur Laffer asserts that historical data shows a clear pattern: every time the highest tax rates on top earners were raised, the government collected less tax revenue from them. The wealthy use legal means to avoid taxes, and economic activity declines, ultimately harming the broader economy.

The proposed tax on billionaires' assets isn't about the billionaires themselves, who hold a fraction of national wealth. The real goal is to establish the legal precedent for a private property tax. Once normalized, this mechanism can be extended to the middle class, where the vast majority of assets reside.

The mere proposal of a wealth tax, even before it passes, inflicts massive fiscal damage. Analysis by the Hoover Institution shows the threat alone led to high-earner exodus and faulty revenue projections, resulting in a net negative financial impact on the state.

Threatening to confiscate wealth from the most mobile people incentivizes them to leave. This capital flight has already begun in response to the proposal, proving such policies ultimately reduce the state's long-term tax revenue by driving away the very people they aim to tax.

New York's governor, who previously told high-earners to move to Florida, now acknowledges the state's eroded tax base. This is a practical demonstration of the Laffer Curve: past a certain point, raising tax rates leads to lower tax revenue as people and businesses relocate.

Billionaire wealth taxes are easily dodged by relocating. A more robust policy would tax capital gains based on the jurisdiction where the value was created, preventing billionaires from moving to a zero-tax state just before selling stock to avoid taxes.