Support for wealth taxes continues to gain momentum ahead of Tuesday’s elections, with proponents arguing that taxing billionaires is a way to address economic inequality and hold the ultra-wealthy accountable to society. Advocates contend that imposing such taxes is a means of collecting a societal debt allegedly owed by the richest individuals, especially when many have not explicitly committed to using their fortunes for public benefit.

Former International Monetary Fund chief economist Olivier Blanchard of France recently voiced support for this perspective, highlighting opposition by California’s wealthiest residents to Proposition 40—a proposed one-time 5% tax on the net worth of billionaires in the state. Blanchard suggested that billionaires often do not demonstrate an intention to use their wealth to improve the world, framing the tax as a corrective measure.

However, critics argue that this view fundamentally misinterprets how wealth is generated in market economies. In such systems, wealth is created by providing goods or services that improve others’ lives, rather than accumulating fortunes first and then redistributing them later. For example, the purchase of an $800 smartphone reflects a mutual valuation between buyer and seller, where both parties benefit voluntarily. When this transaction occurs millions of times, it can lead to substantial fortunes for innovators and entrepreneurs who have contributed to these improvements.

Economist Arnold Kling emphasizes that profits arise from positive-sum interactions that drive innovation and serve consumers, rather than from extracting value at others’ expense. Nobel laureate William Nordhaus similarly found that innovators in the U.S. business sector captured only an average of 2.2% of the total social benefits their innovations generated between 1948 and 2001; the remainder accrued to society through lower prices, enhanced products, and increased wages.

Those urging billionaires to accept wealth taxes also assume that government will effectively deploy the additional revenue to enhance social well-being. Skeptics highlight California’s existing government budget of roughly $350 billion annually, questioning how additional billions from Proposition 40 would yield meaningful improvements. Critics warn that earmarked funds are fungible and that the state’s spending habits, including large infrastructure projects and pension liabilities, may dilute the impact of any new tax revenue.

Some billionaires may prefer to direct their philanthropy or investments privately, believing these approaches deliver greater benefits than government redistribution. Opponents of Proposition 40 also caution against reliance on one-time taxes to fund ongoing expenditures, noting that temporary levies do not address California’s structural budget challenges. There is concern that the tax, initially presented as a single occurrence, could become permanent, yet still fall short of meeting fiscal demands.

Ultimately, the debate raises broader questions about society’s relationship with wealth creators. Some argue that framing billionaires as the problem risks discouraging innovation and investment that have historically improved living standards. Critics contend that the market has already compensated the broader public extensively, and that continued demands for wealth redistribution may overlook the contributions made by the wealthy, both through economic activity and charitable giving.