By Tim Congdon
August 28, 2026
For nearly forty years, monetarism—the economic theory emphasizing the role of governments in controlling the amount of money in circulation—was relegated to the dusty shelves of academic history. Following the "Great Moderation," central banks largely abandoned the strict targeting of monetary aggregates, preferring instead to focus on interest rate manipulation and inflation targeting. However, as the global economy navigates the turbulent waters of the mid-2020s, the ghosts of Milton Friedman are once again haunting the halls of power.
This week, as central bankers gather in Jackson Hole, Wyoming, for the Federal Reserve Bank of Kansas City’s annual symposium, the theme—Financial Innovation: Implications for Payments and Policy—signals a quiet pivot. Monetarism is not just re-entering the debate; it is being forced upon policymakers by the rapid evolution of digital finance. To regain its status as a credible framework for stability, however, the movement must undergo a fundamental transformation, reconciling its 20th-century principles with the decentralized, high-velocity realities of the 21st-century financial landscape.
The Main Facts: A Return to First Principles
The core tenet of monetarism remains as relevant today as it was during the stagflation crises of the 1970s: inflation is, at its root, a monetary phenomenon. When the money supply expands at a rate significantly outstripping the growth of real output, a debasement of currency is inevitable.
In the post-pandemic era, the massive expansion of broad money—driven by quantitative easing and fiscal stimulus—precipitated a global inflationary surge that caught many central banks off guard. The failure of "New Keynesian" models, which downplayed the importance of money supply in favor of output gap analysis, has left a vacuum in economic governance.
The current re-engagement with monetarism at the Federal Reserve is not a return to the rigid "M1" or "M2" targeting of the Volcker era. Instead, it is a pragmatic recognition that liquidity conditions—the sheer volume of money sloshing through the global financial system—serve as a leading indicator of price stability that interest rate models often miss.
Chronology: The Arc of Monetary Policy
To understand why monetarism is resurfacing now, one must trace the timeline of its ebb and flow over the last half-century:
- 1979–1987: The Volcker Era. Paul Volcker’s Fed successfully broke the back of inflation by strictly controlling the monetary base, marking the zenith of monetarist influence.
- 1990s–2008: The Age of Inflation Targeting. Central banks shifted toward interest rate management (the "Taylor Rule"), treating the money supply as an endogenous variable that would regulate itself through policy rates.
- 2008–2019: The Era of QE. Following the Global Financial Crisis, central banks flooded the system with liquidity. Because inflation remained low, many policymakers concluded that money supply growth had no bearing on consumer prices—a dangerous assumption that ignored the rise of asset price inflation.
- 2020–2022: The Inflation Shock. The unprecedented expansion of broad money during the COVID-19 pandemic led to the highest inflation rates in four decades, forcing a re-evaluation of the link between monetary growth and the cost of living.
- 2023–2026: The Integration Phase. As fintech, stablecoins, and Central Bank Digital Currencies (CBDCs) alter the velocity of money, the Fed and other major institutions have begun integrating monetary aggregate analysis back into their forecasting models.
Supporting Data: Why Aggregates Still Matter
Critics of monetarism often point to the "unstable velocity" of money in the digital age. In simple terms, if the speed at which money changes hands is unpredictable, then controlling the supply becomes difficult. However, data from the last three years suggests that the correlation between broad money growth and nominal GDP remains remarkably robust.
According to recent analysis, the surge in M3 (the broadest measure of money) across G7 nations in 2021 preceded the peak inflation of 2022 by exactly 18 to 24 months. While the digital revolution has changed how payments are made, it has not changed the fundamental identity: MV = PY (Money supply times Velocity equals Price level times Output).
The rise of non-bank financial intermediaries—shadow banks and fintech platforms—has expanded the definition of "money." When a consumer uses a digital wallet to make a purchase, they are effectively utilizing a private credit instrument that functions as money. Modern monetarists argue that central banks must now track these digital credit lines as rigorously as they once tracked commercial bank deposits.
Official Responses: The Jackson Hole Consensus
The atmosphere at this year’s Jackson Hole symposium is one of cautious synthesis. While no central bank is proposing a return to 1980s-style strict targeting, the official sentiment is shifting.
In pre-symposium remarks, Federal Reserve officials highlighted the "complication of the transmission mechanism." The emergence of decentralized finance (DeFi) and global payment networks means that money can bypass traditional banking sectors entirely.
"We are no longer operating in a closed system where central bank reserves are the only source of liquidity," noted one senior Fed researcher. "Our policy instruments must adapt to a world where money is increasingly programmable and globally mobile."
The European Central Bank (ECB) has echoed this, emphasizing the necessity of a "Digital Euro" not merely for efficiency, but as a tool to ensure that the central bank retains control over the monetary base in an increasingly digitized economy. The consensus is clear: the central bank must evolve to remain the lender of last resort and the anchor of value, or risk being sidelined by private, algorithmic currencies.
Implications: The Road Ahead
The revival of monetarism carries profound implications for the global economy, investors, and the average citizen:
1. The Death of "Lower for Longer"
For a decade, the world enjoyed artificially low interest rates. If central banks once again respect the link between money supply and inflation, they will be far more sensitive to liquidity gluts. Investors should prepare for a future where monetary policy is more volatile and sensitive to aggregate data, potentially ending the era of cheap credit.
2. The Rise of "Monetary Tech"
The integration of monetarism into 21st-century policy will drive the development of CBDCs. By digitizing the currency, central banks hope to gain real-time data on the velocity of money. This could theoretically allow for "smarter" policy—adjusting interest on reserves or circulating currency to dampen inflationary pressures before they manifest in CPI data.
3. Financial Stability and Regulation
As fintech platforms become the new conduits of money creation, they will inevitably face the same regulatory scrutiny as commercial banks. The "monetarist" approach demands that if an entity provides the functions of money, it must be subject to the same oversight as traditional banks to ensure systemic stability.
4. A New Mandate for Central Banks
The ultimate implication is a return to a focus on monetary discipline. The "monetarist renaissance" suggests that the mandate of central banks should perhaps be narrowed. By focusing on the quantity of money and price stability, central banks may be better equipped to avoid the "political creep" that has seen them dabble in climate change policy, wealth redistribution, and fiscal support—areas that fall outside their traditional remit.
Conclusion: Adapting to the New Reality
The monetarist movement of the 21st century cannot be a carbon copy of the past. It must be an intellectual evolution that embraces the technological disruptions of our time.
The challenge for the economists meeting in Wyoming this week is not to decide whether money supply matters—the events of the last few years have already answered that—but to determine how to measure and manage it in a world of instant, borderless digital payments. If they succeed, they may provide the world with a more stable, predictable, and resilient economic framework. If they fail, they leave the global financial system vulnerable to the next wave of liquidity-driven volatility.
The lesson of history is clear: money is the lifeblood of the economy. Whether it flows through paper, plastic, or blockchain, its quantity remains the ultimate arbiter of value. It is time for central bankers to stop treating the money supply as a ghost in the machine and start treating it as the primary lever of economic health. The monetarist renaissance is here; the question is whether we have the wisdom to manage it.
