Labor Day: Why Does Wealth Grow Faster Than Wages?

Every Labor Day, we hear many familiar messages: thank workers, respect labor, raise wages, protect jobs. But if we step back and look at the economy over several decades, a more fundamental question emerges: Why has the economy become so much wealthier, and workers so much more productive, while wages have not grown at the same pace? More importantly, why does someone who depends on a paycheck often have to keep working simply to maintain the same standard of living, while someone who already owns a home, stocks, business equity, and other assets can see wealth grow without working additional hours?

This is not simply a story about “bosses making too much and workers making too little,” nor can it be reduced to a debate over the minimum wage. Behind it lies a more basic economic reality: income from labor and wealth from capital grow through fundamentally different mechanisms. As an economy becomes increasingly driven by capital, technology, and rising asset values, the gap between wages and wealth can continue to widen unless ordinary workers also have meaningful opportunities to become owners of capital.

Workers Are Still Creating More Wealth, but Its Distribution Has Changed

For several decades after World War II, the American economy had a relationship that now seems increasingly remarkable: as labor productivity rose, worker compensation generally rose with it. Companies adopted better machines, workers became more educated, and production became more efficient. An hour of labor could produce more goods and services, businesses earned more, and workers shared in economic growth through rising compensation.

Beginning around the 1970s, however, that relationship gradually changed. Long-term data from the U.S. Bureau of Labor Statistics show that productivity continued to increase while compensation failed to keep pace to the same degree. The problem was not that workers had stopped creating more value. What changed was how the additional value created by a growing economy was distributed among wages, profits, and other forms of income.

We can still see the consequences today. Corporate profits, stock-market valuations, and other capital assets can rise rapidly while wages usually increase much more slowly. That does not mean every company is suppressing wages, nor does every rise in the stock market represent something being taken away from workers. It does mean that an increasing share of the wealth generated by a modern economy can reach households through ownership of capital rather than through paychecks alone.

Wages and Capital Do Not Grow the Same Way

Wages face a simple constraint: human time is limited. Whether someone earns $20, $40, or $100 an hour, labor income is still largely determined by the value of that person’s work multiplied by the amount of time worked. People can acquire new skills, receive promotions, and change jobs, but there are still only 24 hours in a day.

Capital does not face the same limitation. Suppose a household owns $1 million in investments and those assets appreciate by 8 percent in a year. That produces an $80,000 gain. If the money remains invested, the next year begins with $1.08 million. Another 8 percent return produces $86,400. Money generated by capital can itself become additional capital. That is the power of compounding.

Wages can, of course, be saved and invested. But most households must first use their earnings to pay for housing, food, insurance, health care, transportation, and their children’s needs. Once income is consumed, it no longer generates returns. Owners of substantial capital, by contrast, may be able to reinvest a significant portion of their gains and allow their wealth to keep compounding. Over time, the two trajectories can diverge: labor generally requires the continued exchange of time for income, while existing capital can generate additional wealth on its own.

This is why “working harder,” while certainly capable of improving an individual’s circumstances, cannot by itself solve the problem of wealth inequality. A worker whose annual salary rises from $60,000 to $80,000 must continue working to earn that income. Someone with several million dollars in assets may experience substantial wealth growth without working a single additional hour.

What Really Matters Is Who Owns the Capital

If workers broadly owned substantial amounts of capital, this difference would matter much less. A household that earns wages but also owns a home, a 401(k), an IRA, stocks, or business equity can benefit when corporate profits rise, housing appreciates, and financial markets grow.

The problem is that ownership of capital is itself highly unequal. Imagine that the stock market rises 20 percent in one year. A household with $1 million invested in stocks and retirement accounts could see its wealth increase by $200,000. A household with $10,000 invested gains $2,000. A household with no stock-market assets receives virtually no direct wealth gain at all. The same market rally produces three very different economic experiences.

This is what gives wealth inequality its self-reinforcing character. Income inequality matters, but differences in assets can generate the next round of income inequality. A household that already owns stocks, real estate, or business equity receives returns from those assets. Those returns can be reinvested and generate still more returns. Another household may spend nearly every paycheck on everyday expenses and struggle to accumulate the first meaningful pool of capital that could begin compounding.

In an economy where asset prices rise over long periods, therefore, the increasingly important question may no longer be simply “How much do you earn?” It may also be “What do you own?”

The AI Era Could Make the Divide Even More Important

Technological progress is often described as a force that raises living standards for everyone, and over the long run that has largely been true. Machines, computers, the internet, and artificial intelligence allow society to produce more goods and services with less labor. But “society creates more wealth” and “ordinary households receive that wealth” are not the same proposition.

Suppose a company adopts AI and discovers that work previously requiring 100 employees can now be done by 60, while total output actually increases. The additional value could be used to raise the remaining workers’ wages, lower prices, expand the business, or increase corporate profits. If a large portion ultimately appears as higher profits and company valuations, the people who benefit first are the owners of the company—the shareholders.

That means the central economic question of the AI era may not simply be how much wealth artificial intelligence can create. It may be through what channels that new wealth reaches ordinary households. If the primary channel is capital appreciation, people who already own stocks, retirement accounts, and business equity will benefit first. If most workers remain dependent almost entirely on wages, technological progress could widen the economic distance between people who own capital and those who primarily sell their labor.

Wages themselves do not automatically rise with productivity. If an employee becomes 7 percent more productive this year, the employer does not automatically raise that employee’s salary by 7 percent. Pay also depends on labor supply and demand, workers’ ability to change jobs, union strength, competition among employers, and workers’ bargaining power. Productivity determines how much wealth an economy is capable of creating; markets and institutions help determine how that wealth is ultimately distributed.

Perhaps Labor Day Should Also Be About Who Owns Capital

This helps explain one of the apparent contradictions in the American economy today. Why do some people believe the economy is doing reasonably well? Their stocks are rising, their 401(k)s are growing, their homes have appreciated, and corporate profits are strong. Their household balance sheets may genuinely be improving. Why do others feel that life is becoming more difficult? Their rent, insurance, health care, and grocery bills have risen, while much of whatever wage increases they receive is absorbed by higher living costs.

Both groups may be accurately describing the American economy they experience. They are simply standing on different branches of a K-shaped economy. Someone who owns a home, retirement accounts, and stocks receives both labor income and returns on capital. Someone with few assets depends almost entirely on selling his or her time for wages. When capital wealth grows faster than wages over long periods, even relatively modest differences in starting assets can be magnified by time and compounding.

Labor Day should, of course, continue to be about wages, workers’ rights, job security, and collective bargaining. But labor policy in the 21st century may need to move beyond the question of how to help workers earn a few more dollars per hour. An increasingly important question is: How can more workers become owners of capital as well?

That means discussing not only wages but retirement savings, homeownership, employee stock ownership, profit sharing, and ways to help ordinary households accumulate the first meaningful pool of assets capable of compounding over time. If capital continues to grow faster than wages, simply asking people to work harder cannot change the underlying economic trajectory.

Labor Day is rightly a celebration of the value created by workers. But in an age increasingly shaped by capital and technology, perhaps we should add another question: As labor helps create more and more wealth, how much of that wealth will workers ultimately share—and will an ordinary worker have a realistic path toward becoming an owner of capital?

The answer may matter more to the future of wealth inequality in America than whether the next pay raise is 3 percent or 5 percent.

By Voice in Between