No matter what happens in Tuesday's elections, support for wealth taxes keeps growing. Its justification is based on the idea that the very rich owe all of us something, and taxing their fortunes is collecting on that debt. We're told their success fuels inequality and that it's selfish of them to keep so much, especially if they don't proclaim that they want to do more for society.

Former International Monetary Fund chief economist Olivier Blanchard of France recently gave this narrative a clear voice. Writing on X, he wondered why California's wealthiest are spending so heavily to defeat Proposition 40, the supposed one-time 5 percent tax on the net worth of billionaires. Blanchard added that billionaires "typically have not indicated that they are building their wealth to eventually make the world a better place."

The entire notion misunderstands how fortunes are made. In a market economy, people don't build great wealth first and redeem it later through good works. They build it by making the world better first.

When I buy an $800 smartphone, it's because I value the phone more than whatever else I would have bought with the money. The seller values my $800 more than they do the phone. We both walk away richer by our own measure. Neither owes the other anything more.

Repeat this exchange a few hundred million times, and vast fortunes take shape for the people who create amazing technology so abundantly and affordably that we take it for granted. More importantly, though, people hand over every cent of it voluntarily.

As my colleague Arnold Kling aptly explained over the weekend, "Profits are earned within a positive-sum game for society. Profits induce firms to serve consumers and to innovate." The drive for wealth taxes relies on "the opposite point of view. It regards profits as something that businesses take from the rest of us, as if we can take innovation and efficiency for granted. [It] acts as if we are in a zero-sum environment in which one person's gain is necessarily another person's loss."

And, yes, the gains are divided more fairly than people think. Nobel laureate and Yale University economist William Nordhaus estimated that innovators in the U.S. business sector personally captured, on average, a mere 2.2 percent of the social surplus they created between 1948 and 2001. The other 97.8 percent went to everyone else in the form of lower prices, higher wages, better products and goods, and services that didn't previously exist.

In short, the world has already been compensated, many times over.

Those urging billionaires to acquiesce also err by blithely assuming that the state that grabs the money will use it well enough to "make the world a better place." The burden of proof is on them. California's government already spends roughly $350 billion a year. What will the extra few billion accomplish that the rest hasn't?

"Giving money and power to government is like giving whiskey and car keys to teenage boys," as journalist and satirist P.J. O'Rourke used to say. Maybe California's billionaires aren't eager to fund a Merced-to-Bakersfield rail line that the state prices around $35 billion and its inspector general puts closer to $48 billion. Perhaps they're hesitant to backfill pension funds like the California Public Employees' Retirement System, whose staff concedes is unlikely to hit an assumed 6.8 percent return without leaning on private equity.

Prop 40's revenue is earmarked for health care, but money is fungible. In the end, California has one budget. Every earmarked dollar frees another for something else. Some billionaires might simply have concluded that their philanthropy does more good elsewhere, or that their dollars are more beneficial when invested in private enterprises.

The tax also doubles down on California's worst habit: spend, spend, spend, and then tax, tax, tax. The money is never enough to cover all the spending. A one-time levy spent over five years doesn't fix that. It funds new commitments with temporary money. Some will want to make the tax permanent, which its intellectual architects clearly prefer and may have made possible. And yet that still won't be enough.

That's the commitment problem that Blanchard admits California can't solve. Billionaires are wise to distrust the "one-time" promise.

What worries me most is the moral framework. When a society convinces itself that the people making life better and less costly are the problem, we eventually stop getting those people.

Contrary to Blanchard's naive belief, billionaires aren't lacking in public spirit. Even if we ignore their often massive charitable giving, we can't forget that the market already collected their contribution and handed a large share of it to the rest of us. We should stop demanding they apologize for the other two cents.

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The post Billionaires Have Already Paid Us Back. So Why Does California Want More? appeared first on Reason Magazine.

French economist Gabriel Zucman has come to California bearing a familiar French solution to a fiscal problem: another tax.

Once based at the University of California, Berkeley, Zucman is back and campaigning for Proposition 40, which would impose an allegedly one-time 5 percent tax on the net worth of Californians worth more than $1 billion. Zucman, who coauthored the proposition, estimates that the tax could raise about $100 billion and claims that 90 percent of the proceeds would go to health care.

The California Legislative Analyst's office is far more cautious, saying it would raise only "tens of billions" and could cause a long-term loss of income-tax revenue as wealthy people leave the state with the companies they created.

I've written plenty about why wealth taxes are economically destructive, administratively nightmarish, and unlikely to achieve anything close to what their advocates promise. But Zucman's prescription is wrong for a more fundamental reason, as his (and my) native country shows: Raising taxes to fuel ever-larger demands for government spending is a recipe for disaster.

Unless you've been living in a remote cave recently, you've likely seen all the protests and destruction in France. But do you know why it's happening?

As another economist, Paul Krugman, rightly noted back in 2017, "France offers a social safety net beyond the wildest dreams of U.S. progressives: guaranteed high-quality health care for all, generous paid leave for new parents, universal pre-K, and much more."

For decades, France has answered any perceived desire with government spending, then responded to the resulting fiscal problem by seeking new revenue sources. Today, French government spending consumes roughly 58 percent of gross domestic product (GDP).

Krugman gloated that France wasn't suffering social collapse and speculated that it was due to all the spending. He certainly can't say that anymore. In fact, he is now worried that France may be on the precipice of a debt crisis. The truth is that France hasn't done well for some time, even when Krugman cheered its spending.

One of the groups in the street today, young people, has faced widespread unemployment for a long time. The youth unemployment rate in France (ages 15-24) has hovered between 17 percent and 27 percent since 2000. In the second quarter of 2026, it was 21.6 percent, against 14.8 percent in the Eurozone and 9.9 percent in the U.S.

French people also pay some of the highest taxes in the developed world, and they're not happy with the return. The government already takes more than 52 percent of the country's output in revenue, runs deficits exceeding 5 percent of GDP, and has accumulated debt approaching 120 percent of GDP. Nonetheless, French students complain that the government is shortchanging schools, while everyone sees that it is shortchanging its army and police.

The students aren't wrong to feel left out. At The Two Cents Substack, Hoover Institution scholar Hanno Lustig calculates that, between 1995 and 2024, spending on social protection and health (most of which benefits older people) rose from 53.1 percent to 58.7 percent of all French government spending. The share devoted to education, defense, and public order fell from 15.2 percent to 13.7 percent. Transportation fell from 5.3 percent to 3.8 percent.

In other words, France has built an enormous welfare state, much of it devoted to older citizens, while letting other state capacities and basic services fall apart. As transfers of wealth swallow a larger share of the budget, everything else gets squeezed.

That is the fiscal ratchet Californians should worry about when Zucman tells them Proposition 40 is necessary to "save" health care. Proponents claim Washington "cut" Medicaid, but that language is misleading. California's deficit started long before any Washington spending reductions. Besides, federal Medicaid spending isn't falling—not even close. The Congressional Budget Office estimates it will reach $708 billion in 2026, 8 percent more than in 2025. What Washington did in the 2025 budget reconciliation law was reduce Medicaid's future growth relative to previous projections, partly by changing eligibility and enrollment rules and financing arrangements.

This is how the ratchet works. Once the government projects a spending increase, anything less becomes a cut. And once Washington fails to finance the entire projected increase, Californians are told that Sacramento must backfill the missing money. And how should it do that? Conveniently, by creating an entirely new tax.

France has run this experiment for decades. It has an incredibly generous welfare state paid for with very high taxes; it's even tried a wealth tax and has a value-added tax, yet somehow it's never enough. Its welfare state has not eliminated scarcity. It has merely transferred the job of rationing scarce resources to politicians.

Zucman looks at California and sees hundreds of billions of dollars of private wealth waiting to solve a public finance problem. Californians should look across the Atlantic and ask a different question: What happens after politicians decide that every spending adjustment can be delayed until tomorrow by finding another pot of private wealth?

France should not be sending California tax advice. It should be sending a warning.

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The post France Is a Warning to California's Tax-the-Rich Crowd appeared first on Reason Magazine.